单词 | gravity |
释义 | gravitygrav‧i‧ty /ˈɡrævəti/ ●○○ noun [uncountable] Word Origin WORD ORIGINgravity ExamplesOrigin: 1400-1500 French gravité, from Latin gravitas, from gravis; ➔ GRAVE1EXAMPLES FROM OTHER DICTIONARIES word sets
WORD SETS► Physics Collocationsaether, nounamplitude, nounantimatter, nounantiparticle, nounastrophysics, nounatom, nounatomic, adjectiveattract, verbattraction, nounballistics, nounbeam, nounblack hole, nounbuoyancy, nouncalorie, nouncalorific, adjectivecapillary action, nouncathode ray tube, nouncentre of gravity, nouncentrifugal force, nouncentrifuge, nouncentripetal force, nounchain reaction, nouncondensation, nounconduct, verbconduction, nounconductive, adjectiveconductor, nounconvect, verbconvection, nouncore, nouncritical mass, noundemagnetize, verbdense, adjectivedensity, noundisplacement, noundynamic, adjectiveelectron, nounelementary particle, nounfallout, nounfissile, adjectivefission, nounfocus, verbfrequency, nounfriction, nounfusion, noungamma ray, noungravitation, noungravitational, adjectivegravity, nounhalf-life, nounhertz, nounhydraulic, adjectiveHz, imaging, nounimpetus, nouninertia, nouninvariable, adjectiveion, nounionize, verbkinetic, adjectivelaser, nounlift, nounliquefaction, nounliquefy, verblodestone, nounmagnet, nounmagnetic, adjectivemagnetic field, nounmagnetism, nounmagnetize, verbmass, nounmechanical, adjectivemedium, nounmeltdown, nounmomentum, nounmotive, adjectivemushroom cloud, nounnatural philosophy, nounneutron, nounNewtonian, adjectivenuclear, adjectivenuclear fission, nounnuclear fusion, nounnuclear physics, nounnuclear reactor, nounnucleus, nounoptical fibre, nounparticle accelerator, nounparticle physics, nounphonic, adjectivephosphorescence, nounphosphorescent, adjectivephoto-, prefixphoton, nounphotosensitive, adjectivephotosensitize, verbphysical, adjectivephysicist, nounphysics, nounpivot, nounpolar, adjectivepole, nounpotential energy, nounpower, nounpressure, nounpropulsion, nounproton, nounpull, nounquantum mechanics, nounquantum theory, nounquark, nounradiate, verbradiation, nounradio wave, nounray, nounreaction, nounreactor, nounreflect, verbreflector, nounrefract, verbrelativity, nounrepel, verbrepulsion, nounrepulsive, adjectiveresilience, nounresilient, adjectiveresistance, nounresonance, nounretention, nounsolid-state, adjectivesonic, adjectivesonic boom, nounsound wave, nounspace, nounspecific gravity, nounspectral, adjectivespectroscope, nounspectrum, nounstatics, nounsteady state theory, nounstrain, nounstress, nounsurface tension, nountension, nounthermodynamics, nounthrust, nountraction, nountrajectory, nountransmit, verbultrasonic, adjectiveultrasound, nounvacuum, nounvaporize, verbvapour, nounvector, nounwave, nounwavelength, nounwork, noun COLLOCATIONS FROM THE ENTRY► force of gravity 1technical the force that causes something to fall to the ground or to be attracted to another planet → gravitation: the force of gravity2formal the extreme and worrying seriousness of a situationgravity of I could not hide from her the gravity of the situation. The penalties should be proportionate to the gravity of the offence.3an extremely serious way of behaving or speaking: The Consul spoke slowly and with great gravity. → centre of gravity the force of gravity COLLOCATIONS FROM OTHER ENTRIES► the Earth’s gravity· the continual pull of the Earth’s gravity on the Moon. COLLOCATIONS FROM THE CORPUSADJECTIVE► low· Venus could lack such an inner core because of the lower central pressures corresponding to its lower gravity.· Warmth, low gravity and the security of being held creates a feeling of release and overall relaxation.· If it has a fairly low speed, gravity will eventually stop the rocket and it will start falling back.· Does the low gravity make it easier to travel light?· This system also permits a very low centre of gravity for the total fin profile.· Children grow fast in this low gravity.· Because of the low gravity of the Moon the uncompressed density will not be much less.· Burkett was rather small, rather bow-legged, a low centre of gravity. ► specific· The specific gravity is measured by Archimedes' principle.· Haulm destruction is carried out to stop the specific gravity from getting too high.· A minor, but important constituent of many sandstones are the heavy minerals, with a specific gravity in excess of 2.9. ► strong· But to find out what happens in strong gravity.· But it is not as strong as gravity on the Earth - because the Moon is smaller and lighter.· The clocks work normally - perfectly normally, whether they're accelerating or in strong gravity.· The closer in you get, the stronger the gravity.· In very strong gravity ... light ... in fact, everything ... absolutely everything ... What a thought. NOUN► anomaly· When corrections are made to take account of these differences in crustal density the magnitude of gravity anomalies is significantly reduced.· The data are reduced using standard procedures to produce Bouguer gravity anomalies to an overall accuracy of 1 m Gal.· Correction for altitude alone gives the free-air gravity anomaly.· Initial indications are that the basic rocks responsible for the gravity anomaly are more extensive than originally mapped. ► field· It seemed to geophysicists that the continents should shape the gravity field in some way.· In effect, the debris is captured and contained locally by the Martian gravity field.· But the lunar gravity field was then so poorly mapped that the chances of achieving a successful preprogrammed landing were very small.· For example, the gravity field on the lunar surface is about one seventh as strong as on Earth.· We should also recall that asteroids have very weak gravity fields. ► quantum· This, however, is difficult to determine in the case of quantum gravity, for two reasons.· In October 1981, I went to Moscow for a conference on quantum gravity.· We do not yet know the exact form the correct theory of quantum gravity will take. ► surface· This is clearly a result of the higher surface gravity on Mercury, a little over double that on the Moon. VERB► defy· Flares feature highly in the line up, as do dizzy platform shoes that defy gravity.· Clinging to the hillside amid scenic splendour, these houses sternly defy gravity by not tumbling down to the sea below. ► use· The alternative is to use the effects of gravity, the dart losing height as it flies.· At home, she has learned to use gravity to help fold laundry.· This spectacular technique uses gravity to enhance the force of the kick.· This is done using washing and gravity separation.· Another version of this exercise uses gravity to work against your splayed legs. |
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