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Definition of “ace” - English Dictionary

"ace" in American English

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acenoun [C]

 us   /eɪs/
  • ace noun [C] (PLAYING CARD)

one of the four ​playingcards with a ​singlemark or ​spot, which have the ​highest or ​lowestvalue in many ​cardgames
  • ace noun [C] (TENNIS)

a ​serve (= ​hit of the ​ball that ​startsplay) in ​tennis that is so ​strong and ​fast the other ​player cannot ​return the ​ball
  • ace noun [C] (SKILLED PERSON)

infml a ​person who is ​unusually good at doing something ​skillful: Yankee ace Chien-Ming Wang will ​pitch tonight’s ​game.
(Definition of ace from the Cambridge Academic Content Dictionary © Cambridge University Press)







"ace" in British English

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acenoun [C]

uk   /eɪs/  us   /eɪs/

aceverb [T]

uk   /eɪs/  us   /eɪs/ US informal

aceadjective

uk   /eɪs/  us   /eɪs/ old-fashioned slang
(Definition of ace from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)

"ACE" in Business English

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ACEnoun

SOCIAL RESPONSIBILITY
abbreviation for Active Corps of Executives: an ​organization in the US that consists of ​workingexecutives who give ​freehelp and ​advice to ​smallbusinesses
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(Definition of ACE from the Cambridge Business English Dictionary © Cambridge University Press)
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