dimedon

noun

di·​me·​don

ˈdīməˌdän

variants or dimedone

-ˌdōn

plural -s

: a crystalline diketone C₈H₁₂O₂ made by reaction of mesityl oxide and ethyl malonate and used in the analysis of aldehydes with which it forms insoluble derivatives; 5,5-dimethyl-1,3-cyclohexane-dione

Word History

Etymology

International Scientific Vocabulary dime- (from dimethyl) + d- (from dihydr-) + -one

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!