[ dahy-uh-seet-l, -set-l, dahy-as-i-tl ]
/ ˌdaɪ əˈsit l, -ˈsɛt l, daɪˈæs ɪ tl /

noun Chemistry.


Can You Remember Your Favorite Words Of The Day From March?
Even if you’re a habitué of Word of the Day, you haven’t seen our March words in these ways! Challenge yourself to our comprehensive quiz!
Question 1 of 15
What does "habitué" mean?

Origin of diacetyl

First recorded in 1870–75; di-1 + acetyl
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for diacetyl