acetoacetanilide

noun

ace·​to·​ac·​et·​an·​i·​lide

¦a-sə-(ˌ)tō-ˌa-sə-tˈa-nə-ˌlīd,

ə-¦sē-tō-,

-sə-ˈta-,

-ləd

plural -s

: a crystalline compound CH₃COCH₂CONHC₆H₅ made by reaction of aniline with acetoacetic ester or with diketene and used as a dye intermediate

Word History

Etymology

International Scientific Vocabulary acet- + acetanilide

First Known Use

1891, in the meaning defined above

Love words?

You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Start your free trial today and get unlimited access to America's largest dictionary, with:

• More than 250,000 words that aren't in our free dictionary
• Expanded definitions, etymologies, and usage notes
• Advanced search features
• Ad free!