noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   A chemical compound that forms colourless, garlic-smelling crystals and causes nausea and headaches, used as a weapon by the Germans during World War I. uncountable

Etymology

From diphenyl + cyano- + arsine.

Related phrases

chemical compoundworld war i

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