Meanings
nouncacodyl (countable and uncountable, plural cacodyls)
plural cacodyls
- countableuncountablechemistryThe dimethylarsine radical (CH₃)₂As-
- countableuncountablechemistrytetramethyldiarsine formally derived from two of these radicals; an evil-smelling liquid that spontaneously combusts in air
Synonyms & antonyms
nouna poisonous oily liquid with a garlicky odor composed of 2 cacodyl groups; undergoes spontaneous combustion in dry air
Similar
Broader
nounthe univalent group derived from arsine
Similar
cacodyl groupcacodyl radicalarsenic group
Also see
Synonym sets from Open English WordNet, CC BY 4.0.
Origin
- Ancient Greekκακώδης“evil-smelling”
- Englishcacodyl
Ancient Greek κακώδης (kakṓdēs, “evil-smelling”)
More words from Ancient Greek
Full word history & related roots →Cite this entry
APA
cacodyl. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/cacodyl
MLA
“cacodyl.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/cacodyl. Accessed November 3, 2026.
Chicago
WatkinsX Dictionary, s.v. “cacodyl,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/cacodyl.
Source: cacodyl on Wiktionary, CC BY-SA 4.0.