: 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

Time Traveler
The first known use of acetous was in the 14th century

Dictionary Entries Near acetous

Cite this Entry

“Acetous.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/acetous. Accessed 21 Mar. 2023.

Medical Definition

acetous

adjective
: relating to or producing vinegar
acetous fermentation
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!


Challenging Standardized Test Words, Vol. 2

  • a pencil broken in half on top of a test answer sheet
  • The business’s new computer system proved not to be a panacea.
Name That Thing

You know what it looks like… but what is it called?

TAKE THE QUIZ
Solve today's spelling word game by finding as many words as you can with using just 7 letters. Longer words score more points.

Can you make 12 words with 7 letters?

PLAY