Mesyl

//ˈmiː.sʌɪl// adj, noun

adj, noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    The univalent radical CH₃SO₂– of methanesulfonic acid. especially, in-compounds
  2. 2
    Obsolete form of mesel, in its various senses. alt-of, obsolete
Adjective
  1. 1
    Obsolete form of mesel, in its various senses. alt-of, obsolete

Synonyms

All synonyms
methylsulfonylmethylsulfonyl

Etymology

Etymology 1

Contraction of methylsulfonyl.

Etymology 2

From Middle English mesel (“leprous, leper”), from Norman mesel (“leprous, leper”), from Old French mesel (“leprous, leper”), from Late Latin misellus (“leper”), from miser (“wretched, wretch”) + -ellus (“-elle”). Doublet of measles.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.