[ as-i-tuh s, uh-see- ]
/ ˈæs ɪ təs, əˈsi- /


containing or producing acetic acid.
sour; producing or resembling vinegar; vinegary.
Also ac·e·tose [as-i-tohs, uh-see-tohs] /ˈæs ɪˌtoʊs, əˈsi toʊs/.

Origin of acetous

From the Late Latin word acetōsus, dating back to 1770–80. See acetum, -ous Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Examples from the Web for acetous

British Dictionary definitions for acetous


acetose (ˈæsɪˌtəʊs, -ˌtəʊz)

/ (ˈæsɪtəs, əˈsiː-) /


containing, producing, or resembling acetic acid or vinegar
tasting like vinegar

Word Origin for acetous

C18: from Late Latin acētōsus vinegary, from 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