noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   The dimethylarsine radical (CH₃)₂As- countable, uncountable
2. 2
   the univalent group derived from arsine wordnet
3. 3
   tetramethyldiarsine formally derived from two of these radicals; an evil-smelling liquid that spontaneously combusts in air countable, uncountable
4. 4
   a poisonous oily liquid with a garlicky odor composed of 2 cacodyl groups; undergoes spontaneous combustion in dry air wordnet

Synonyms

All synonyms

arsenic groupcacodyl groupcacodyl radicaltetramethyldiarsine

Etymology

Ancient Greek κακώδης (kakṓdēs, “evil-smelling”)

Related phrases

cacodyl oxidecacodylic acid

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