“aceto-acetic”

The following 2 entries include the term aceto-acetic.

acetoacetic acid

noun

: an unstable acid C4H6O3 that is a ketone body found in abnormal quantities in the blood and urine in some conditions (such as diabetes)

See the full definition

acetoacetic ester

noun

: ethyl acetoacetate

See the full definition

Word of the Day

Listen to the pronunciation of plethora

See Definitions and Examples »

Test Your Vocabulary

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.
True or False

Test your knowledge - and maybe learn something along the way.

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

Pick the best words!

PLAY
Love words? Need even more definitions?

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

Games & Quizzes

See All
Play Quordle: Guess all four words in a limited number of tries. Each of your guesses must be a real 5-letter word.
Quordle Can you solve 4 words at once?
Play Blossom: Solve today's spelling word game by finding as many words as you can using just 7 letters. Longer words score more points.
Blossom Word Game Pick the best words!
Play Missing Letter: a crossword with a twist. Each of the 25 puzzle words start with a different letter of the alphabet. Which letter is missing?
Missing Letter A daily crossword with a twist
chain-with-string
Fastest Quiz Ever: Missing Link Five seconds to figure out the word that fits bot...
See All