释义 |
WordReference Random House Learner's Dictionary of American English © 2024drop•out or drop-out /ˈdrɑpˌaʊt/USA pronunciation n. [countable]- Educationa student who withdraws before completing a course.
- a person who withdraws from established society.
- a person who withdraws from a competition, task, etc.
WordReference Random House Unabridged Dictionary of American English © 2024drop•out (drop′out′),USA pronunciation n. - an act or instance of dropping out.
- Educationa student who withdraws before completing a course of instruction.
- Educationa student who withdraws from high school after having reached the legal age to do so.
- a person who withdraws from established society, esp. to pursue an alternate lifestyle.
- a person who withdraws from a competition, job, task, etc.:the first dropout from the presidential race.
- Sport[Rugby.]a drop kick made by a defending team from within its own 25-yd. (23-m) line as a result of a touchdown or of the ball's having touched or gone outside of a touch-in-goal line or the dead-ball line.
- PrintingAlso called highlight halftone. a halftone negative or plate in which dots have been eliminated from highlights by continued etching, burning in, opaquing, or the like.
- Sound ReproductionAlso called drop′out er′ror. the loss of portions of the information on a recorded magnetic tape due to contamination of the magnetic medium or poor contact with the tape heads.
Also, drop′-out′. - noun, nominal use of verb, verbal phrase drop out 1925–30, American.
Collins Concise English Dictionary © HarperCollins Publishers:: dropout /ˈdrɒpˌaʊt/ n - a student who fails to complete a school or college course
- a person who rejects conventional society
- drop-out a drop kick taken by the defending team to restart play, as after a touchdown
- drop-out a momentary loss of signal in a magnetic recording medium as a result of an imperfection in its magnetic coating
vb drop out (intr, adverb) often followed by of: - to abandon or withdraw from (a school, social group, job, etc)
WordReference Random House Learner's Dictionary of American English © 2024drop /drɑp/USA pronunciation n., v., dropped, drop•ping. n. [countable] - a small amount of liquid produced in a globule:A few drops of blood fell from the cut on her hand.
- a very small amount of liquid:to have a drop of tea.
- a very small quantity of anything:not even a drop of mercy.
- DrugsUsually, drops. [plural] liquid medicine given from a medicine dropper, such as a solution for the eyes.
- a limited amount of an alcoholic beverage:He takes a drop after dinner.
- an act or instance of dropping;
fall; descent:The sudden drop startled the airplane's passengers. - the distance or depth to which anything drops:a drop of ten feet.
- a steep slope:It's a short drop to the lake.
- a decline in amount:The stock market saw a drop of about fifty points.
- a small, ball-shaped piece of candy:Share the lemon drops with your sister.
- a central place where items are left or delivered:She sent her manuscript to the mail drop.
- an instance of dropping persons or supplies by parachute or the amount or number dropped.
v. - to (cause to) fall in globules such as water: [no object]Water dropped from the ceiling onto the floor.[~ + object]He dropped some cream into his coffee.
- to (cause to) fall vertically;
(cause to) have an abrupt descent: [no object]The fruit dropped off the tree.[~ + object]He dropped a few coconuts down to us. - to (cause to) sink or fall to the ground, floor, or bottom: [no object]He dropped to his knees and prayed.[~ + object]He dropped his opponent with one punch.
- to (cause to) fall lower in condition;
diminish or lessen; reduce: [no object]Prices dropped in the spring.[~ + object]The store dropped its prices, but sales didn't increase. - to (cause to) come to an end;
stop; cease; lapse: [no object]There the matter dropped.[~ + object]We dropped the matter. - to fall or move to a position that is lower, farther back, inferior, etc.: [no object]to drop back in line.[~ + object]That loss dropped the team from the playoffs.
- to withdraw (from);
quit: [~ + object]He dropped history and English.[~ + out of + object]to drop out of a race.See drop out below. - to pass or enter without effort into an activity or the like:[~ + into + object]to drop into a deep sleep.
- to make an unexpected visit at a place:[~ + in/by/over]We were in the neighborhood so we thought we'd just drop in to see you.
- to cease to appear or be seen;
vanish:[no object]to drop from sight. - Slang Termsto swallow (an illegal drug):[~ + object]They dropped some acid.
- to utter or express casually or incidentally:[~ + object]to drop a hint.
- to write and send: [~ + object + to + object]Why not drop a note to her?[~ + object + object]Drop me a note.
- to set down or unload, such as from a ship or car: [~ + object]Drop us at the corner.[~ + object + off]Can you drop us off at the corner?[~ + off + object]We dropped off the family at the train station.
- Phonetics to leave out or omit (a letter) in speaking:[~ + object]You drop your finalr's.
- to (cause to) lower (the voice) in pitch or loudness: [no object]His voice dropped as he approached.[~ + object]He dropped his voice to a whisper.
- to abandon;
forget:[~ + object]to drop one's old friends. - to dismiss (an employee, etc.);
remove:[~ + object + from + object]to drop a consultant from the payroll. - to lose (a game, etc.):[~ + object]He dropped fifty dollars on that horse race.
- [~ + object] to parachute (persons, etc.).
- Clothing to resew in a lower position:[~ + object]to drop the hem of a skirt.
- drop behind, [no object] to fail to keep maintaining the necessary pace, etc.:With all her other activities she was dropping behind at school.
- drop off, [no object]
- to fall asleep:She drops off at about eleven each night.
- to decrease;
decline:Prices began to drop off significantly.
- drop out, [no object]
- to stop attending school or college:I haven't seen that student of mine; do you think she's dropped out?
- to leave or reject the customs, etc., of society in favor of pursuing one's own lifestyle:He just dropped out and went to Tahiti.
Idioms- Idioms at the drop of a hat, for the smallest reason and without delay:to argue at the drop of a hat.
- Idioms drop in the bucket, a very small, insignificant amount:What's a few million dollars at this point? A drop in the bucket.
WordReference Random House Unabridged Dictionary of American English © 2024drop (drop),USA pronunciation n., v., dropped or dropt, drop•ping. n. - a small quantity of liquid that falls or is produced in a more or less spherical mass;
a liquid globule. - the quantity of liquid contained in such a globule.
- a very small quantity of liquid:I'll have a little more tea, just a drop.
- a minute quantity of anything:not even a drop of mercy.
- DrugsUsually, drops.
- liquid medicine given in a dose or form of globules from a medicine dropper.
- a solution for dilating the pupils of the eyes, administered to the eyes in globules by a medicine dropper.
- a limited amount of an alcoholic beverage:He occasionally takes a drop after dinner.
- an act or instance of dropping;
fall; descent. - the distance or depth to which anything drops:a ten-foot drop to the ground.
- a steep slope:a short drop to the lake.
- a decline in amount, degree, quality, value, etc.:a drop in prices.
- a small, usually spherical, piece of candy;
lozenge:a lemon drop. - a central depository where items are left or transmitted:a mail drop.
- a predesignated place where secret letters or packages can be left to be picked up by another person without attracting attention, as in espionage or drug dealing.
- something resembling or likened to a liquid globule, as certain ornaments, a spherical earring, etc.
- a pendant.
- a descent by parachute.
- an instance of dropping supplies by parachute or an amount of supplies so dropped.
- something that drops or is used for dropping.
- a group of persons dropped by parachute, as the personnel dropped by parachute during one military action.
- Show Business[Theat.]
- See drop curtain.
- See drop scene.
- See trap door.
- a gallows.
- a slit or opening into which something can be dropped, as in a mailbox.
- Games(in a casino) the income from the sale of chips.
- a small flag, usually of enameled metal, that gives a visual signal in an annunciator.
- Furniturean applied ornament resembling a pendant.
- Architecturegutta (def. 2).
- Nautical, Naval Termsthe vertical dimension amidships of any sail that is bent to a standing yard. Cf. hoist (def. 7a).
- BuildingAlso called drop panel. (in reinforced-concrete-slab construction) a thickened portion of the ceiling around a column head.
- Time[Horol.]the free motion of an escape wheel between successive checks by the pallet.
- the newborn young of an animal.
- Idioms at the drop of a hat, at the slightest provocation or without delay:He's ready to fight at the drop of a hat.
- Idioms drop in the bucket. See bucket (def. 9).
- Idioms get or have the drop on:
- to aim and be ready to shoot a gun at an antagonist before the other person's gun can be drawn.
- to get or have at a disadvantage.
v.i. - to fall in globules or small portions, as water or other liquid:Rain drops from the clouds.
- to fall vertically;
have an abrupt descent. - to sink or fall to the ground, floor, or bottom as if inanimate.
- to fall lower in condition, degree, value, etc.;
diminish or lessen; sink:The prices dropped sharply. - to come to an end;
cease; lapse:There the matter dropped. - to fall or move to a position that is lower, farther back, inferior, etc.:to drop back in line; to drop to the rear.
- to withdraw;
quit (often fol. by out or from):to drop out of a race; to drop from a game. - to pass or enter without effort into some condition, activity, or the like:to drop into sleep; to drop into a habit.
- to make an unexpected or unannounced stop at a place;
pay an informal visit or call (usually fol. by in, by, or over):Since we're in the neighborhood, why don't we drop in at my brother's? - to cease to appear or be seen;
vanish:to drop from sight or notice. - to fall wounded, dead, etc.:A thousand men dropped in the battle.
- Sportto squat or crouch, as a dog at the sight of game.
- to move gently, as with the tide or a light wind (usually fol. by down).
- Slang Termsto ingest an illicit drug orally;
swallow. v.t. - to let fall in drops or small portions:to drop lemon juice into tea.
- to let or cause to fall.
- to cause or allow to sink to a lower position.
- to cause to decrease in value, amount, quality, etc.;
reduce. - to utter or express casually or incidentally:to drop a hint.
- to write and send:Drop me a note.
- to bring to the ground by a blow or shot.
- to set down or unload, as from a ship, car, etc. (often fol. by off ):Drop me at the corner.
- Phoneticsto omit (a letter or syllable) in pronunciation or writing:He dropped his h's.
- to lower (the voice) in pitch or loudness.
- to cease to keep up or have to do with:I dropped the subject. Will you drop your old friends if you win the lottery?
- to cease to employ, admit as a member, or include, as on a list;
dismiss:to drop an accountant from the payroll; to drop three members of the club who have not paid their dues. - to withdraw or cease to pursue:The police dropped the charges against the suspect.
- Sport
- to throw, shoot, hit, kick, or roll (a ball, puck, etc.) through or into a basket, hole, or other goal:He dropped the ball through the basket for two points.
- to lose (a game or contest):They dropped two games in a row and were eliminated from the tournament.
- Sport[Football.]
- to drop-kick (a ball).
- to score with a drop kick.
- (of animals) to give birth to:The cat dropped a litter of six kittens.
- to parachute (persons, supplies, etc.):The Marines dropped 300 combat troops into the jungle battlefield.
- to lengthen by lowering or letting out:to drop the hem of a skirt.
- Aeronauticsto lower (the wheels) into position for landing an airplane.
- Slang Termsto take (esp. an illicit drug) by swallowing;
ingest:to drop LSD. - Nautical, Naval Termsto pass out of sight of;
outdistance. - Food[Cookery.]to poach (an egg).
- drop behind, to fall short of the required pace or progress:Her long illness caused her to drop behind the rest of the class.
- Idioms drop dead, (used as an expression of contempt, disgust, impatience, etc.):If that's the way you feel about it, drop dead!
- drop off:
- to fall asleep.
- to decrease;
decline:Sales have dropped off drastically.
- drop out:
- to withdraw from being a member or participant:to drop out of a club; to drop out of society and become a wanderer.
- to stop attending school or college.
- bef. 1000; (noun, nominal) Middle English drop(e) drop of liquid, Old English dropa; (verb, verbal) Middle English droppen, Old English droppian; akin to drip, droop
drop′like′, adj. |