acetyl

[ uh-seet-l, uh-set-l, as-i-tl ]

adjective

, Chemistry.

1. containing the acetyl group.

acetyl

/ ˈæsɪˌtaɪl; ˌæsɪˈtɪlɪk; əˈsiːtaɪl /

noun

1. modifier of, consisting of, or containing the monovalent group CH 3 CO-

   acetyl group or radical

acetyl

/ ə-sēt′l,ăs′ĭ-tl /

1. The radical CH 3 CO, derived from acetic acid.

Derived Forms

• acetylic, adjective

Word History and Origins

Origin of acetyl¹

First recorded in 1860–65; acet- + -yl

Word History and Origins

Origin of acetyl¹

C19: from acet ( ic ) + -yl

Example Sentences

Dodge County Medical Examiner PJ Schoebel said Lemons overdosed on acetyl fentanyl, a potent opioid painkiller, and Williams died of a stroke.

From Seattle Times

The pieces that Huang and his colleagues were most interested in were biologically active molecular components known as amines and acetyl groups that adorn PNAG's sugary backbone.

From Science Daily

HDAC8 removes chemical modifications called acetyl groups from other proteins, leading to alterations in gene expression patterns.

From Science Daily

An autopsy determined that the woman’s death was caused by mixed drug toxicity, specifically from fentanyl and an analogue of fentanyl called acetyl fentanyl, the release said.

From Washington Times

These modifications, which include the addition and removal of acetyl and methyl chemical groups, can dramatically alter chromosomal structure, thereby modulating the level of gene expression.

From Nature