acetonyl

noun

ac·​e·​ton·​yl

ˈa-sə-(ˌ)tō-ˌnil,

ə-ˈse-tə-

plural -s

: the univalent radical CH₃COCH₂ formed by removal of a hydrogen atom from acetone

Word History

Etymology

International Scientific Vocabulary acetone + -yl

First Known Use

1853, 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