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单词 clamp
释义

clamp1

noun klampklæmp
  • 1A brace, band, or clasp for strengthening or holding things together.

    I have fixed the motor to the table with two clamps
    Example sentencesExamples
    • Probably a ring-shaped structure holds the DNA like a sliding clamp.
    • Today with the good quality stainless steel clamps, the second clamp is not as critical as in days of old.
    • Back in the early days, most hose clamps were steel and corroded readily.
    • Secure your work with a vise or clamps: at elbow height for general filing, lower for heavier filing, and nearer to eye level for delicate work.
    • Use small wood blocks or clamp covers so that clamps will not mar the wood.
    • When the leg placement is correct, tighten the clamps.
    • Tighten the clamps alternately so the joints meet as evenly as possible.
    • She took an old broom handle and attached her garden hose to it with four metal hose clamps.
    • With a whine, the hydraulic clamps extended, moving the severely damaged chassis walls down to the floor.
    • The barrel is held in place by a simple clamp and setscrew arrangement.
    • Start by attaching the flexible vent from vent-connection kit to the periscope vent, using the band clamps in the kit.
    • Bending a walnut stock is done by adding gradual heat, a procedure requiring special clamps and vises.
    • Then turn both top and bottom plates on their sides and put them together using large jaw clamps.
    • A note of caution: stainless steel hose clamps aren't always stainless.
    • Check the edges for alignment often before tightening the clamps down.
    • Once it has dried, remove the clamps.
    • Another very useful tool is a laminate flooring clamp, which tightens together tongue and groove boards.
    • The dolphins could also attach a clamp onto an intruding diver, which would act as a restraint device.
    • The extensions are actually part of each side of the saw clamp, riveted together at the outer end.
    • Jack ran to the back of the mainframe and released the hydraulic power clamps.
    Synonyms
    brace, vice, press
    clasp, fastener, bracket, holdfast
    Music mute, capo, capo tasto
    Climbing jumar
    1. 1.1
      short for wheel clamp
      Example sentencesExamples
      • Owners of clamped vehicles are obliged to pay £200 to get the clamp removed and buy a new tax disc.
      • Affected motorists now face a hefty fine to remove the clamp or to be reunited with their vehicle.
      • While clamping will end, persistent offenders will have cars towed away with a release fee of £105, against the £55 charged for a clamp.
      • An angry student had to pay £58 to have a car clamp removed - despite having a parking ticket.
      • Now Nicola is demanding to know why a bailiff charged her more than £400 to release a wheel clamp.
      • Several people have been caught in a new crackdown at the Dipple Centre in Wickford Avenue, Pitsea, and have had to pay £80 to have the clamps removed.
      • The inspector said: ‘We had one owner who managed to take the clamp off by hand but we managed to trace the vehicle and fine him.’
      • He was very polite but wouldn't take the clamp off till she paid him.
      • The parking attendants give out the maximum number of parking tickets and clamps.
      • Many have been faced with £95 bills to remove clamps.
      • A motorist was so furious after his van was clamped that he sawed the clamp off and drove away, York magistrates heard.
      • Motorists will have to pay for their vehicles to be released from the clamps and any not claimed after two weeks will be crushed.
      • They refused to remove a clamp from a car outside a doctor's clinic even though the owner needed to bring his son to hospital and had no money.
      • When I came out they had put a clamp on my wheel.
      • He paid £38 for the release of the clamp but then lodged an appeal with the National Parking Adjudication Service.
      • Therefore, don't try to remove the wheel clamp yourself as you can be accused of causing criminal damages.
      Synonyms
      immobilizer, wheel clamp
      North American boot
  • 2An electric circuit which serves to maintain the voltage limits of a signal at prescribed levels.

    Example sentencesExamples
    • When the driving voltage of sense amplifier exceeds the reference voltage, the clamp drops the driving voltage of sense amplifier.
    • Note that at the most negative voltage the clamp becomes unstable, indicating that here the capacity is overcompensated.
    • Single OHCs were studied under whole-cell voltage clamp.
    • The conventional whole-cell voltage clamp recording method was employed.
    • Electrical plug device including optical plug and socket connectors, terminal clamps connecting to electric mains, and an electronic bus coupler
    • A clamp circuit controls the terminal voltage of the smoothing capacitor to a predetermined level so as to produce a power supply voltage.
    • We set up each experiment to take a series of 27 images with the clamp voltage switched back and forth between 0 mV and a test voltage after every three image frames.
verb klampklæmp
  • 1with object and adverbial of place Fasten (something) in place with a clamp.

    the sander is clamped on to the edge of a workbench
    Example sentencesExamples
    • She placed a motorized device onto the rope and clamped it in place.
    • With the bike upside down, clamp the top of the seatpost into a large bench vise that is bolted to a very secure workbench.
    • To cut acrylic by snapping, first lay out your cut line on the protective sheet, then hold or clamp a straightedge against the line.
    • Use a straight edge and clamp the boards down to make an even, straight cut.
    • I clamp a steel straight edge in a vise and just draw the surface over the steel edge a few times.
    • The solution is to clamp a pair of straight-edge boards in place to serve as a saw guide.
    • All tools should be clamped securely (with the blade up) in a vise before they are filed.
    • To make a bolt, a smith clamped the screw plate onto a rod of cold, soft iron and turned it down the rod.
    • Metal clamps appeared out of nowhere, clamping her ankles and wrists to the chair.
    • They were clamped in place whilst the resin cured by screwing in bolts.
    • Plan your cuts so that the direction of the wood grain parallels the long edges and clamp a straightedge to the plywood to guide your cuts.
    • ‘The handle was clamped in a vice on a workbench, yet the blade started vibrating like mad,’ he said.
    • Loosely clamp legs together at their centers with C clamps.
    • The umbilical cord is usually clamped and cut at this stage.
    • Prisms and small mirrors also can be clamped in place on their mounts with multiple springs.
    • I clamp together the second corner with the vices.
    • At first the mirrors were just clamped onto aluminum blocks, but the linkage was a major source of vibration.
    • Stabilize tools for sharpening by bracing them against a solid surface or clamping them in a vise.
    • I use an electric drill clamped in a vice to turn my wood.
    Synonyms
    fasten, secure, fix, clip, attach, make fast
    screw, bolt
    1. 1.1 Fasten (two things) firmly together.
      the two frames are clamped together
      Example sentencesExamples
      • Spread large rolls thinly with horseradish and thickly with mayonnaise, then pile on the beef, clamp together and eat at once - messily.
      • His blade hissed, his eyes grew wide, his teeth clamped together in a hard bite that sent a tremor of ache through his jaw.
      • My hands convulsively clenched, my teeth clamped together, my nostrils flared, my lips curled, and a red mist descended in front of my eyes.
      • Milo had his eyes screwed shut in pain, jaw clamped tight shut lest he cried out.
      • Martina blinks away tears, hardly able to catch her breath with her lips tightly clamped shut.
      • His hands clamped together between his knees, making his knuckles turn white as thoughts tumbled through his head.
      • His teeth were so clamped together I wasn't even sure how he spoke.
      • I started laughing but it came out like a weird snorting, snuffling sound because my jaws were clamped together.
      • They feature strong serrated jaws which clamp together when the trap is sprung.
      • Erica sat at her seat hands clamped tightly together staring at the clock.
      • She sucked her lips together like the doors of a lift clamping shut.
      • They question ancient rituals performed at the site - such us making a wish for prosperity by clamping two padlocks together and hurling them over the cliff - even as they reenact them.
      • I suddenly clamped my lips shut, tried to prevent the intake of air through my nostrils.
      • His hands were clamped together tightly, his knuckles white.
      • The lip gloss was so sticky you had to keep your mouth open all day, or else your lips would clamp together.
      • An uncanny silence descended on a school as pupils made a superhuman effort to clamp their lips tightly shut.
      • I didn't say anything, just led him into the inn, my lips clamped tightly together in disapproval.
      • My jaw began to ache from how tightly I had clamped my teeth together.
      • The wings folded back as the talons clamped together to make feet.
      • ‘What you mean is that you would like to stay the night’ Raven nodded, lips clamped together tight.
    2. 1.2 Hold (something) tightly against another thing.
      Maggie had to clamp a hand over her mouth to stop herself from laughing
      Example sentencesExamples
      • I screamed even louder, and then I felt a hand clamp over my mouth.
      • He turned his back, screwed his eyes shut and clamped his hands over his ears.
      • Panic washing over her at the realization, she sat back onto her knees and clamped her hands over her ears.
      • With pipe clamped firmly between his teeth, Voss presents us with a passive observer simply looking forward to a few days of quiet fishing.
      • And it seems the obligatory pungent cigarette, clamped firmly in the corner of the mouth, is a necessary aid to concentration.
      • Logan tried to get up, but her hand was clamped very tightly around his arm.
      • Renae cried trying again to pull away, but Jake's hand remained clamped around her wrist.
      • I tried, clamping my hand onto his arm in a desperate effort to make him understand, but he shrugged me off.
      • I had an angry beach crab clamped tightly onto my nose.
      • Before I could scream, his had his hand firmly clamped over my mouth.
      • A pair of hands suddenly clamped down on her shoulders, making her jump.
      • Dominick seemed amused, his teeth firmly clamped around his cigar.
      • In the infinitesimally small light, I saw Jason bang against the edge, and I clamped a hand over his mouth before he could cry out.
      • She came running, a stick clamped firmly between her jaws.
      • Suddenly a hand clamped down over her mouth, preventing her from crying out.
      • He kept his hand firmly clamped on her wrist so that she would not escape him.
      • She clamped a hand onto the other girl's shoulder, catching her breath.
      • Alex clamped her hand onto Becky's shoulder and began to slow her pace down.
      • He hadn't taken a step, however, before something clamped around his ankle and immobilized him.
      • She opened her mouth to scream, but a hand clamped down over her mouth.
      Synonyms
      clench, grip, hold, press, squeeze
      clasp, grasp, clutch
    3. 1.3with object Immobilize (an unlawfully parked car) by fixing a wheel clamp to one of its wheels.
      he had flown into a rage when he found his car was clamped
      Example sentencesExamples
      • They claim their cars have been clamped only a few minutes after their pay-and-display tickets have expired and criticise the clampers for refusing to negotiate.
      • Developers have been told to stop clamping cars parked on an estate access road in Marlborough after county council lawyers said it was illegal.
      • ‘They are continuously clamping staff cars,’ said one employee who wished to remain anonymous.
      • The parking charges apply 24-hours a day, 365 days a year, with any car illegally parked being clamped.
      • What do Brits do when they find their car has been clamped for illegal parking?
      • After 2 hours of waiting I was in danger of being clamped in the car park, so I told the nurse I would go home and phone in an hour to see which ward he was in.
      • All illegally parked cars should be clamped or removed.
      • This week signs have gone up in Kelham Gardens warning drivers they will be clamped if they park there.
      • On their return at around 5.00 pm they found their cars clamped.
      • Signs say you will be clamped if you park there, but still they do it.
      • There must be notices displayed clearly which should warn people about the possibility of getting their cars clamped if they park in that area.
      • His Ford Escort had been clamped in the car park of the Black Bull pub in the village.
      • A total of 69 vehicles were clamped while 32 were destroyed.
      • A businessman was one of about 12 motorists whose vehicles were clamped on Thursday.
      • Last year I got my car clamped in the car park in Haworth.
      • When they returned from the pool to the pay and display parking space where she'd left her car, she found that she'd been given a ticket and her wheel had been clamped.
      • There are warning signs around the car park warning motorists they will be clamped if they park without authorisation.
      • Prior to this illegally parked vehicles were clamped at any hour of the day or night.
      • Doctors' patients have reacted with fury after being clamped in a surgery car park.
      • People don't want their cars getting clamped while they shop here.
      Synonyms
      immobilize, wheel-clamp
      North American boot
  • 2with object Maintain the voltage limits of (an electrical signal) at prescribed values.

    Example sentencesExamples
    • Using this circuit, the voltage at V m was clamped with the dSEVC amplifier and measured independently with a second microelectrode amplifier.
    • For good protection, especially for computers, look for a protector with a clamping voltage of less than 400 volts.
    • A second clamping transistor is connected intermediate the input transistor and a power supply rail and has a gate for receiving an upper clamping voltage.

Phrasal Verbs

  • clamp down

    • Suppress or prevent something in an oppressive or harsh manner.

      the authorities have also clamped down on public demonstrations
      Example sentencesExamples
      • The government is clamping down fiercely on a popular uprising, which has seen hundreds killed.
      • The government may be clamping down on abuses of the asylum system.
      • The harder the government clamps down, the more its opponents strike back.
      • And he warned that police would be clamping down especially hard on speeders over the coming Bank Holiday and extra officers would be deployed.
      • She said police were clamping down on those who were speeding.
      • So let us not forget that there's much power in all of us and the reason why they're clamping down on us is because they're scared of us.
      • The authorities are clamping down on blogs, which are free sites through which people publish thoughts and opinions.
      • The government was intent on reducing the number of firearms, clamping down on illegal drugs and substance abuse.
      • Marches and demonstrations became increasingly militant, and the Government reacted by clamping down harshly on this civil unrest.
      • She is also engaging the help of the public in clamping down on crime and anti-social behaviour and putting more community support officers on the streets.
      • Police say they are determined to clamp down on bikers riding in an anti-social manner, on or off-road.
      • Authorities are now clamping down on the cross-border movement of tribal people on both sides of the frontier.
      • They may be effective at clamping down on speedsters, but if a camera snaps 50 people speeding, a vast amount of follow-up work then has to be done.
      • While the government is intent on clamping down on truancy, it is preventing other children from attending school with equal vigour.
      • Whatever the case, clamping down on freedom of expression in any of its forms is tantamount to crushing our fledging democracy.
      • Police across Greater Manchester are clamping down on drivers unfit to be on the road after taking illegal or prescription drugs.
      • The GN is also implementing its Tobacco Control Act that regulates the sale of tobacco to those over 19, clamps down on advertising and also restricts smoking in public places and workplaces.
      • It followed a publicity drive aimed at highlighting tough new laws clamping down on the sale of tobacco to young people under 16.
      • Council chiefs are clamping down on motorists who park on the pavement, blocking the way for wheelchair users and the elderly.
      • You may have noticed on the news that in the South the authorities are clamping down on those not wearing seatbelts in the vehicles.
      Synonyms
      suppress, prevent, stop, put a stop to, put an end to, stamp out

Derivatives

  • clamper

  • noun
    • A large crowd gathered around the car, shouting ‘shame, shame’, and ‘move the truck’ at the clampers.
      Example sentencesExamples
      • Personally, I believe the police, traffic wardens, clampers, etc would stop harassing motorists if motorists stopped breaking the laws.
      • A mother who claims she was forced to pay £155 after her car was clamped on a petrol station forecourt has accused the clampers of lying in wait.
      • The clampers are charging non-permit holders £100 to have the device removed.
      • Police are still seeking the driver who, after her car was clamped and released at a cost of nearly £100, grabbed the keys of the clampers ' van and drove off.

Origin

Middle English: probably of Dutch or Low German origin and related to clam.

  • clam from early 16th century:

    It is not easy to prise apart a clam, and this tight grip lies behind the origin of the word. Clam originally meant ‘a clamp’, and probably had the same source as clamp (Middle English). There is also an English dialect word clam, meaning ‘to be sticky or to stick to something’, which is related to clay (Old English). It is also where clammy—originally spelled claymy—comes from. See also happy

Rhymes

amp, camp, champ, cramp, damp, encamp, gamp, lamp, ramp, samp, scamp, stamp, tamp, tramp, vamp

clamp2

noun klampklæmp
British
  • 1A heap of potatoes or other root vegetables stored under straw or earth.

    Example sentencesExamples
    • From his own patch he had harvested potatoes the previous summer and had laid them in a clamp.
    • There is also a theory about making a potato clamp to keep them in over the winter.
  • 2A three-sided structure used to store silage.

    a silage clamp
    Example sentencesExamples
    • Some farmers were also concerned that foot-and-mouth might be brought on to their farms by contractors making silage so did not want to use their silage clamps.
    • Farmers are reverting to clamps of silage or traditional haymaking which is very difficult in the conditions which are far from ideal.
    • A preservative is then applied and the grain is ensiled in a polythene-lined clamp.
    • A farm here is extraordinary, a huge thing, mostly hidden from a distance bar its fine silage clamp.
    • It normally yields 300 tonnes of whole-crop silage which is placed in a clamp constructed from square bales of grass silage.
    • At present there is surplus silage on many farms and the advice is to use up the bales by early summer and to seal up any silage left in the clamps.
    • The storage of silage on the pad (either in a makeshift straw clamp, or in plastic bags) is an agricultural use and not development.
    • It had been his intention to construct the silage clamp as a single structure.

Origin

Late 16th century (denoting a pile of bricks for firing): probably from Dutch klamp 'heap'; related to clump.

 
 

clamp1

nounklæmpklamp
  • 1A brace, band, or clasp used for strengthening or holding things together.

    Example sentencesExamples
    • Start by attaching the flexible vent from vent-connection kit to the periscope vent, using the band clamps in the kit.
    • Back in the early days, most hose clamps were steel and corroded readily.
    • Probably a ring-shaped structure holds the DNA like a sliding clamp.
    • Secure your work with a vise or clamps: at elbow height for general filing, lower for heavier filing, and nearer to eye level for delicate work.
    • Jack ran to the back of the mainframe and released the hydraulic power clamps.
    • The barrel is held in place by a simple clamp and setscrew arrangement.
    • Today with the good quality stainless steel clamps, the second clamp is not as critical as in days of old.
    • Use small wood blocks or clamp covers so that clamps will not mar the wood.
    • Tighten the clamps alternately so the joints meet as evenly as possible.
    • With a whine, the hydraulic clamps extended, moving the severely damaged chassis walls down to the floor.
    • The dolphins could also attach a clamp onto an intruding diver, which would act as a restraint device.
    • Check the edges for alignment often before tightening the clamps down.
    • Then turn both top and bottom plates on their sides and put them together using large jaw clamps.
    • A note of caution: stainless steel hose clamps aren't always stainless.
    • Once it has dried, remove the clamps.
    • When the leg placement is correct, tighten the clamps.
    • Another very useful tool is a laminate flooring clamp, which tightens together tongue and groove boards.
    • She took an old broom handle and attached her garden hose to it with four metal hose clamps.
    • Bending a walnut stock is done by adding gradual heat, a procedure requiring special clamps and vises.
    • The extensions are actually part of each side of the saw clamp, riveted together at the outer end.
    Synonyms
    brace, vice, press
    1. 1.1 An electric circuit that serves to maintain the voltage limits of a signal at prescribed levels.
      Example sentencesExamples
      • Electrical plug device including optical plug and socket connectors, terminal clamps connecting to electric mains, and an electronic bus coupler
      • Note that at the most negative voltage the clamp becomes unstable, indicating that here the capacity is overcompensated.
      • When the driving voltage of sense amplifier exceeds the reference voltage, the clamp drops the driving voltage of sense amplifier.
      • We set up each experiment to take a series of 27 images with the clamp voltage switched back and forth between 0 mV and a test voltage after every three image frames.
      • A clamp circuit controls the terminal voltage of the smoothing capacitor to a predetermined level so as to produce a power supply voltage.
      • Single OHCs were studied under whole-cell voltage clamp.
      • The conventional whole-cell voltage clamp recording method was employed.
verbklæmpklamp
[with object]
  • 1Fasten (something) in place with a clamp.

    the sander is clamped onto the edge of a workbench
    Example sentencesExamples
    • Loosely clamp legs together at their centers with C clamps.
    • Use a straight edge and clamp the boards down to make an even, straight cut.
    • I clamp a steel straight edge in a vise and just draw the surface over the steel edge a few times.
    • Plan your cuts so that the direction of the wood grain parallels the long edges and clamp a straightedge to the plywood to guide your cuts.
    • At first the mirrors were just clamped onto aluminum blocks, but the linkage was a major source of vibration.
    • To cut acrylic by snapping, first lay out your cut line on the protective sheet, then hold or clamp a straightedge against the line.
    • Metal clamps appeared out of nowhere, clamping her ankles and wrists to the chair.
    • She placed a motorized device onto the rope and clamped it in place.
    • The umbilical cord is usually clamped and cut at this stage.
    • They were clamped in place whilst the resin cured by screwing in bolts.
    • I use an electric drill clamped in a vice to turn my wood.
    • All tools should be clamped securely (with the blade up) in a vise before they are filed.
    • I clamp together the second corner with the vices.
    • Prisms and small mirrors also can be clamped in place on their mounts with multiple springs.
    • To make a bolt, a smith clamped the screw plate onto a rod of cold, soft iron and turned it down the rod.
    • ‘The handle was clamped in a vice on a workbench, yet the blade started vibrating like mad,’ he said.
    • The solution is to clamp a pair of straight-edge boards in place to serve as a saw guide.
    • With the bike upside down, clamp the top of the seatpost into a large bench vise that is bolted to a very secure workbench.
    • Stabilize tools for sharpening by bracing them against a solid surface or clamping them in a vise.
    Synonyms
    fasten, secure, fix, clip, attach, make fast
    1. 1.1 Fasten (two things) firmly together.
      the two frames are clamped together
      Example sentencesExamples
      • Martina blinks away tears, hardly able to catch her breath with her lips tightly clamped shut.
      • His hands clamped together between his knees, making his knuckles turn white as thoughts tumbled through his head.
      • My jaw began to ache from how tightly I had clamped my teeth together.
      • She sucked her lips together like the doors of a lift clamping shut.
      • The wings folded back as the talons clamped together to make feet.
      • Spread large rolls thinly with horseradish and thickly with mayonnaise, then pile on the beef, clamp together and eat at once - messily.
      • His blade hissed, his eyes grew wide, his teeth clamped together in a hard bite that sent a tremor of ache through his jaw.
      • They question ancient rituals performed at the site - such us making a wish for prosperity by clamping two padlocks together and hurling them over the cliff - even as they reenact them.
      • They feature strong serrated jaws which clamp together when the trap is sprung.
      • I started laughing but it came out like a weird snorting, snuffling sound because my jaws were clamped together.
      • His hands were clamped together tightly, his knuckles white.
      • Erica sat at her seat hands clamped tightly together staring at the clock.
      • An uncanny silence descended on a school as pupils made a superhuman effort to clamp their lips tightly shut.
      • I didn't say anything, just led him into the inn, my lips clamped tightly together in disapproval.
      • ‘What you mean is that you would like to stay the night’ Raven nodded, lips clamped together tight.
      • I suddenly clamped my lips shut, tried to prevent the intake of air through my nostrils.
      • My hands convulsively clenched, my teeth clamped together, my nostrils flared, my lips curled, and a red mist descended in front of my eyes.
      • His teeth were so clamped together I wasn't even sure how he spoke.
      • Milo had his eyes screwed shut in pain, jaw clamped tight shut lest he cried out.
      • The lip gloss was so sticky you had to keep your mouth open all day, or else your lips would clamp together.
    2. 1.2 Hold (something) tightly against or in another thing.
      Maggie had to clamp a hand over her mouth to stop herself from laughing
      Example sentencesExamples
      • Suddenly a hand clamped down over her mouth, preventing her from crying out.
      • She came running, a stick clamped firmly between her jaws.
      • I tried, clamping my hand onto his arm in a desperate effort to make him understand, but he shrugged me off.
      • He hadn't taken a step, however, before something clamped around his ankle and immobilized him.
      • With pipe clamped firmly between his teeth, Voss presents us with a passive observer simply looking forward to a few days of quiet fishing.
      • A pair of hands suddenly clamped down on her shoulders, making her jump.
      • He kept his hand firmly clamped on her wrist so that she would not escape him.
      • She clamped a hand onto the other girl's shoulder, catching her breath.
      • Logan tried to get up, but her hand was clamped very tightly around his arm.
      • Panic washing over her at the realization, she sat back onto her knees and clamped her hands over her ears.
      • In the infinitesimally small light, I saw Jason bang against the edge, and I clamped a hand over his mouth before he could cry out.
      • Before I could scream, his had his hand firmly clamped over my mouth.
      • I had an angry beach crab clamped tightly onto my nose.
      • And it seems the obligatory pungent cigarette, clamped firmly in the corner of the mouth, is a necessary aid to concentration.
      • Alex clamped her hand onto Becky's shoulder and began to slow her pace down.
      • Dominick seemed amused, his teeth firmly clamped around his cigar.
      • Renae cried trying again to pull away, but Jake's hand remained clamped around her wrist.
      • I screamed even louder, and then I felt a hand clamp over my mouth.
      • He turned his back, screwed his eyes shut and clamped his hands over his ears.
      • She opened her mouth to scream, but a hand clamped down over her mouth.
      Synonyms
      clench, grip, hold, press, squeeze
    3. 1.3 Maintain the voltage limits of (an electrical signal) at prescribed values.
      Example sentencesExamples
      • Using this circuit, the voltage at V m was clamped with the dSEVC amplifier and measured independently with a second microelectrode amplifier.
      • A second clamping transistor is connected intermediate the input transistor and a power supply rail and has a gate for receiving an upper clamping voltage.
      • For good protection, especially for computers, look for a protector with a clamping voltage of less than 400 volts.

Phrasal Verbs

  • clamp down

    • Suppress or prevent something in an oppressive or harsh manner.

      Example sentencesExamples
      • The GN is also implementing its Tobacco Control Act that regulates the sale of tobacco to those over 19, clamps down on advertising and also restricts smoking in public places and workplaces.
      • She is also engaging the help of the public in clamping down on crime and anti-social behaviour and putting more community support officers on the streets.
      • The harder the government clamps down, the more its opponents strike back.
      • And he warned that police would be clamping down especially hard on speeders over the coming Bank Holiday and extra officers would be deployed.
      • The authorities are clamping down on blogs, which are free sites through which people publish thoughts and opinions.
      • Authorities are now clamping down on the cross-border movement of tribal people on both sides of the frontier.
      • The government was intent on reducing the number of firearms, clamping down on illegal drugs and substance abuse.
      • Council chiefs are clamping down on motorists who park on the pavement, blocking the way for wheelchair users and the elderly.
      • While the government is intent on clamping down on truancy, it is preventing other children from attending school with equal vigour.
      • They may be effective at clamping down on speedsters, but if a camera snaps 50 people speeding, a vast amount of follow-up work then has to be done.
      • It followed a publicity drive aimed at highlighting tough new laws clamping down on the sale of tobacco to young people under 16.
      • Police across Greater Manchester are clamping down on drivers unfit to be on the road after taking illegal or prescription drugs.
      • You may have noticed on the news that in the South the authorities are clamping down on those not wearing seatbelts in the vehicles.
      • Whatever the case, clamping down on freedom of expression in any of its forms is tantamount to crushing our fledging democracy.
      • So let us not forget that there's much power in all of us and the reason why they're clamping down on us is because they're scared of us.
      • She said police were clamping down on those who were speeding.
      • Police say they are determined to clamp down on bikers riding in an anti-social manner, on or off-road.
      • The government may be clamping down on abuses of the asylum system.
      • Marches and demonstrations became increasingly militant, and the Government reacted by clamping down harshly on this civil unrest.
      • The government is clamping down fiercely on a popular uprising, which has seen hundreds killed.
      Synonyms
      suppress, prevent, stop, put a stop to, put an end to, stamp out

Origin

Middle English: probably of Dutch or Low German origin and related to clam.

clamp2

nounklæmpklamp
British
  • 1A heap of potatoes or other root vegetables stored under straw or earth.

    Example sentencesExamples
    • There is also a theory about making a potato clamp to keep them in over the winter.
    • From his own patch he had harvested potatoes the previous summer and had laid them in a clamp.
  • 2A three-sided structure used to store silage.

    a silage clamp
    Example sentencesExamples
    • Some farmers were also concerned that foot-and-mouth might be brought on to their farms by contractors making silage so did not want to use their silage clamps.
    • A farm here is extraordinary, a huge thing, mostly hidden from a distance bar its fine silage clamp.
    • Farmers are reverting to clamps of silage or traditional haymaking which is very difficult in the conditions which are far from ideal.
    • It normally yields 300 tonnes of whole-crop silage which is placed in a clamp constructed from square bales of grass silage.
    • At present there is surplus silage on many farms and the advice is to use up the bales by early summer and to seal up any silage left in the clamps.
    • It had been his intention to construct the silage clamp as a single structure.
    • A preservative is then applied and the grain is ensiled in a polythene-lined clamp.
    • The storage of silage on the pad (either in a makeshift straw clamp, or in plastic bags) is an agricultural use and not development.

Origin

Late 16th century (denoting a pile of bricks for firing): probably from Dutch klamp ‘heap’; related to clump.

 
 
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