noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   The organic compound with chemical formula OP(OC₆H₅)₃, the triester of phosphoric acid and phenol, used as a plasticizer and fire retardant. uncountable

Etymology

From triphenyl + phosphate.

Related phrases

chemical formulafire retardantorganic compoundphosphoric acid

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