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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 playing cards with a single mark or spot, which have the highest or lowest value in many card games
  • ace noun [C] (TENNIS)

a serve (= hit of the ball that starts play) 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 working executives who give free help and advice to small businesses
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(Definition of ACE from the Cambridge Business English Dictionary © Cambridge University Press)
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