synonyms, antonyms, definitions, examples & translations of ac in English

English Online Dictionary. What means ac‎? What does ac mean?


Pronunciation depends on if this is an initialism, in which case it is pronounced as the letters A and C, or if it is an abbreviation, in which case it is pronounced as the full word it abbreviates.

The pronunciation of the medical abbreviation depends on the preference of the user or reader, and whether it is translated from Latin or not.

ac (plural acs)

  1. account; money of account
  2. alicyclic
  3. Abbreviation of acre.
  4. Alternative letter-case form of AC (air conditioning)
  5. (electricity) Alternative letter-case form of AC (alternating current)

ac (not comparable)

  1. (medicine) ante cibum, before meals


  1. (stenoscript) Abbreviation of accompany and related forms of that word (accompanying, accompanied, accompaniment, accompanist, etc.)
  2. (stenoscript) Abbreviation of accomplish and related forms of that word (accomplishing, accomplished, accomplishment, etc.)
  • ac etiam
  • ca, CA, C.A., ca., &ca., &ca
  • acu

From Latin acus. Compare Romanian ac.

ac n (plural atsi/atse)

  1. needle

From Proto-Turkic *ạ̄č (hunger). Cognate with Old Turkic 𐰀𐰲 ( /⁠*āç⁠/, hungry), Turkish , see there for more cognates.

  • IPA(key): [ɑd͡ʒ], [ɑd͡z]
  • (Tabriz) IPA(key): [ɑʒ], [ad͡z]

ac (comparative daha ac, superlative ən ac)

  1. hungry
    Antonym: tox
    Acından ölürəm.I am starving; I am dying of hunger. (literally, “of its hunger”)
    Acın andı and olmaz.An oath given by a hungry person is no oath. (proverb)
    Ac elə bilər hamı acdır, tox elə bilər hamı toxdur.The hungry think that all are hungry, the sated think that all are sated. (proverb)


  1. (Hong Kong Cantonese) Alternative form of AC
  • account
  • IPA(key): /aːk/

āc (plural āc ihqueh or āquihqueh)

  1. who?
  • ācah
  • āquin
  • ayāc
  • Karttunen, Frances (1983) An Analytical Dictionary of Nahuatl, Austin: University of Texas Press, page 1
  • Lockhart, James (2001) Nahuatl as Written: Lessons in Older Written Nahuatl, with Copious Examples and Texts, Stanford: Stanford University Press, page 210
  • IPA(key): /ak/


  1. (Quebec, informal) Pronunciation spelling of avec.


  1. plural of at
  • (Classical Latin) IPA(key): /ak/, [äk]
  • (modern Italianate Ecclesiastical) IPA(key): /ak/, [äk]
  • Note: the consonant is geminate /kː/ if a vowel follows.


  1. Alternative form of atque
  • Usually found before words beginning with consonants.
  • Sardinian: a
  • ac”, in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
  • ac”, in Charlton T. Lewis (1891) An Elementary Latin Dictionary, New York: Harper & Brothers
  • Carl Meißner, Henry William Auden (1894) Latin Phrase-Book[2], London: Macmillan and Co.
  • ak, ah, ach, oc, occ, ok, auh, auch, auȝ

From Old English ac, from Proto-West Germanic *ak, from Proto-Germanic *ak.

  • IPA(key): /ak/


  1. but
  • “ac, conj.”, in MED Online, Ann Arbor, Mich.: University of Michigan, 2007, retrieved 2019-01-12.
  • a


  1. and


  1. with

From Proto-Germanic *aiks.

  • ǣċ, aac
  • IPA(key): /ɑːk/

āc f

  1. oak (wood or tree)
  2. (poetic) an oaken ship
  3. (masculine) (Runic alphabet) name of the rune (a)

Feminine senses relating to oak:

Name of the rune:

  • Middle English: ook, ok, ak, ake
    • English: oak
    • Scots: aik, ake; yik (south)

From Proto-Germanic *ak.

  • ahNorthumbrian
  • ach, oc
  • IPA(key): /ɑk/


  1. but
  2. but instead: in this sense ac should sometimes be translated as "but," but most often it is best left untranslated
    • c. 995, Ælfric, Extracts on Grammar in English
    • late 10th century, Ælfric, "Memory of the Saints"
  • Middle English: ac, ak, ah


  1. Alternative form of oc


  1. Alternative form of ak

Inherited from Latin acus, from Proto-Indo-European *h₂eḱ- (sharp).

  • IPA(key): /ak/

ac n (plural ace)

  1. needle
  • acar
  • aculeu
  • ață
  • ac in DEX online—Dicționare ale limbii române (Dictionaries of the Romanian language)
  • (standard) IPA(key): /ak/
    • (colloquial) IPA(key): /aɡ/
  • Rhymes: -ak


  1. Prevocalic form of a (and)

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