Meanings
mesyl1
nounmesyl (plural mesyls)
plural mesyls
- especiallyin compoundschemistryThe univalent radical CH₃SO₂– of methanesulfonic acid.
mesyl2
Synonyms & antonyms
Also see
Origin
mesyl · adjective, noun
- Late Latinmisellus“leper”
- Old Frenchmesel“leprous, leper”
- Normanmesel“leprous, leper”
- Middle Englishmesel“leprous, leper”
- Englishmesyl
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.
More words from Middle English, Norman, Old French
Full word history & related roots →Rhymes & wordplay
Rhymes with mesyl
All rhymes →Anagrams
Cite this entry
APA
mesyl. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/mesyl
MLA
“mesyl.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/mesyl. Accessed November 2, 2026.
Chicago
WatkinsX Dictionary, s.v. “mesyl,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/mesyl.
Source: mesyl on Wiktionary, CC BY-SA 4.0.