[ uh-see-tik, uh-set-ik ]
/ əˈsi tɪk, əˈsɛt ɪk /


pertaining to, derived from, or producing vinegar or acetic acid.


Nearby words

  1. acetate,
  2. acetate rayon,
  3. acetate-coa ligase,
  4. acetation,
  5. acetazolamide,
  6. acetic acid,
  7. acetic anhydride,
  8. acetic ether,
  9. acetify,
  10. acetimeter

Origin of acetic

First recorded in 1800–10; acet- + -ic

Related formssem·i·a·ce·tic, adjectiveun·a·ce·tic, adjective

Can be confusedacetic aesthetic ascetic Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for acetic

British Dictionary definitions for acetic


/ (əˈsiːtɪk, əˈsɛt-) /


of, containing, producing, or derived from acetic acid or vinegar

Word Origin for acetic

C19: from Latin acētum vinegar

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for acetic



1808, from French acétique "pertaining to vinegar," from Latin acetum "vinegar" (properly vinum acetum "wine turned sour;" see vinegar), originally past participle of acere "be sour," related to acer "sharp" (see acrid).

Online Etymology Dictionary, © 2010 Douglas Harper

Science definitions for acetic


[ ə-sētĭk ]

Relating to or containing acetic acid or vinegar.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.