acetonylidene

noun

ac·​e·​ton·​yl·​i·​dene

ˌa-sə-tō-ˈni-lə-ˌdēn,

ə-ˌse-tə-

plural -s

: the bivalent radical CH₃COCH< formed by removal of two hydrogen atoms from the same carbon atom of acetone

Word History

Etymology

acetonyl + -idene

First Known Use

1919, in the meaning defined above

The Ultimate Dictionary Awaits

Expand your vocabulary and dive deeper into language with Merriam-Webster Unabridged.

1. Expanded definitions
2. Detailed etymologies
3. Advanced search tools
4. All ad-free

Discover what makes Merriam-Webster Unabridged the essential choice for true word lovers.

Start Your Free Trial Now

Rhymes for acetonylidene

• vinylidene