acetous

adjective

ace·​tous ə-ˈsē-təs  ˈa-sə-təs 

: relating to or producing vinegar

acetous fermentation

also : sour, vinegary

Word History

Etymology

Middle English, borrowed from Anglo-French acetus, borrowed from Medieval Latin acētōsus, from Latin acētum "vinegar" + -ōsus -ous — more at acetic acid

First Known Use

14th century, in the meaning defined above

Medical Definition

acetous

adjective

ace·​tous ə-ˈsēt-əs  ˈas-ət-əs 

: relating to or producing vinegar

acetous fermentation