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单词 reversible
释义

WordReference Random House Unabridged Dictionary of American English © 2024
re•vers•i•ble  (ri vûrsə bəl),USA pronunciation adj. 
  1. capable of reversing or of being reversed.
  2. capable of reestablishing the original condition after a change by the reverse of the change.
  3. Textiles(of a fabric) woven or printed so that either side may be exposed.
  4. Clothingthat can be worn with either side out:a reversible jacket.

n. 
  1. Clothinga garment, esp. a coat, that can be worn with either side exposed.
  • reverse + -ible 1640–50
re•vers′i•bili•ty, re•versi•ble•ness, n. 
re•versi•bly, adv. 

Collins Concise English Dictionary © HarperCollins Publishers::
reversible /rɪˈvɜːsəbəl/ adj
  1. capable of being reversed: a reversible decision
  2. capable of returning to an original condition
  3. capable of assuming or producing either of two possible states and changing from one to the other: a reversible reaction
  4. (of a fabric or garment) woven, printed, or finished so that either side may be used as the outer side
n
  1. a reversible garment, esp a coat

reˌversiˈbility n reˈversibly adv
WordReference Random House Learner's Dictionary of American English © 2024
re•verse /rɪˈvɜrs/USA pronunciation   adj., n., v., -versed, -vers•ing. 
adj. [before a noun]
  1. opposite or contrary in position, direction, order, etc.:to arrange the names in reverse order.
  2. with the back toward the observer:the reverse side of a fabric.
  3. Mechanical Engineering, Mechanicsof or relating to movement in a mechanism opposite to that made under ordinary running conditions:reverse gear.

n. 
  1. the opposite or contrary of something:[uncountable* the + ~]His answer was the reverse of what we expected.
  2. the back or rear of anything:[uncountable* the + ~]Can't you button this on the reverse?
  3. a change of fortune for the worse:[countable]Our football team suffered yet another reverse.
  4. Mechanical Engineering the condition of being reversed:[uncountable]to put an engine into reverse.

v. 
  1. to turn in an opposite position: [+ object]He reversed the chairs so that they faced each other.[+ oneself]reversed himself after going in the wrong direction.[no object]He reversed and raced down the sideline.
  2. to turn in the opposite direction;
    send on the opposite course: [+ object]He reversed the car.[no object]The car reversed and swung right.
  3. to turn in the opposite order:[+ object]to reverse a process.
  4. to turn inside out or upside down:[+ object]to reverse the socks.
  5. to declare to be the opposite of (a decree, etc.);
    annul:[+ object]The High Court reversed the verdict.
  6. to change to the opposite:[+ object]to reverse the policy of racial discrimination.
Idioms
  1. reverse (the) charges, to have the charges for a telephone call billed to the person receiving the call;
    to call collect:Operator, I need to reverse the charges on this long-distance call.

re•vers•i•ble, adj.: The coat has a reversible inner lining.See -vert-.

WordReference Random House Unabridged Dictionary of American English © 2024
re•verse  (ri vûrs),USA pronunciation adj., n., v., -versed, -vers•ing. 
adj. 
  1. opposite or contrary in position, direction, order, or character:an impression reverse to what was intended; in reverse sequence.
  2. with the back or rear part toward the observer:the reverse side of a fabric.
  3. Mechanical Engineering, Mechanicspertaining to or producing movement in a mechanism opposite to that made under ordinary running conditions:a reverse gear; a reverse turbine.
  4. acting in a manner opposite or contrary to that which is usual, as an appliance or apparatus.
  5. noting or pertaining to an image like that seen in a mirror; backward;
    reversed.
  6. noting or pertaining to printed matter in which what is normally white, as the page of a book, appears as black, and vice versa.

n. 
  1. the opposite or contrary of something.
  2. the back or rear of anything.
  3. Currency[Numis.]
    • the side of a coin, medal, etc., that does not bear the principal design (opposed to obverse).
    • the side of an ancient coin that was struck by the upper die.
  4. an adverse change of fortune;
    a misfortune, check, or defeat:to meet with an unexpected reverse.
  5. [Mach.]
    • Mechanical Engineeringthe condition of being reversed:to throw an engine into reverse.
    • Mechanical Engineeringa reversing mechanism.
  6. Sport[Football.]a play on offense in which one back running laterally hands the ball to another back who is running in the opposite direction and who then makes either an end run or a cutback.
  7. Games[Bridge.]See reverse bid. 
  8. Printingprinted matter in which areas that normally appear as white are printed in black, and vice versa.

v.t. 
  1. to turn in an opposite position;
    transpose:The printer accidently reversed two chapters of the book.
  2. to turn in the opposite direction;
    send on the opposite course.
  3. to turn inside out or upside down.
  4. to change the direction of running of (a mechanism).
  5. Mechanical Engineeringto cause (a mechanism) to run in a direction opposite to that in which it commonly runs.
  6. to revoke or annul (a decree, judgment, etc.):to reverse a verdict.
  7. to alter to the opposite in character or tendency;
    change completely.
  8. to turn in the opposite order:to reverse the process of evolution.
  9. Printingto print as a reverse.

v.i. 
  1. to shift into reverse gear:The driver drove forward, then reversed.
  2. (of a mechanism) to be reversed.
  3. to turn or move in the opposite or contrary direction, as in dancing.
  4. Games[Bridge.]to make a reverse bid.
  • Late Latin reversāre, frequentative of revertere
  • Old French reverser
  • Latin reversus, past participle of revertere to revert (see verse); (verb, verbal) Middle English reversen
  • Old French
  • (noun, nominal) Middle English revers 1275–1325
re•vers•ed•ly  (ri vûrsid lē, -vûrstlē),USA pronunciation adv.  re•versely, adv. 
re•verser, n. 
    • 1.See corresponding entry in Unabridged converse. See opposite. 
    • 7.See corresponding entry in Unabridged converse, counterpart.
    • 10.See corresponding entry in Unabridged mishap, misadventure, affliction.
    • 15, 17.See corresponding entry in Unabridged Reverse, invert agree in meaning to change into a contrary position, order, or relation. To reverse is to place or move something so that it is facing in the opposite direction from the one faced previously:to reverse from right to left; to reverse a decision.To invert is to turn upside down:to invert a stamp in printing; to invert a bowl over a plate.
    • 20.See corresponding entry in Unabridged repeal, veto, countermand, rescind, overthrow.
    • 1.See corresponding entry in Unabridged same.

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