verb ·Rare ·Advanced level

Definitions

Verb

1. 1
   To take away the phlogiston, i.e. ability to burn, which is now understood to be chemically impossible

Etymology

From de- + phlogisticate, after French déphlogistiquer (“to dephlogisticate”).

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