Diphosgene

noun

noun ·Rare ·Advanced level

Definitions

Noun

1
The highly chlorinated ester trichloromethyl chloroformate that is used in organic synthesis, and was once used as a military poison uncountable

Etymology

From di- + phosgene.

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