: a greenish yellow liquid compound (CH3CO)2 that has an odor like that of quinone, that is chiefly responsible for the odor of butter and contributes to the aroma of coffee and tobacco, and that is used as a flavoring agent in foods (as margarine)
called also biacetyl
Dictionary Entries Near diacetyl
Cite this Entry
“Diacetyl.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/diacetyl. Accessed 31 Dec. 2024.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share