antiphlogistian adjective 1noun 1forms 1 adjective1 •Opposed to phlogiston theory. noun1 •Someone who opposes phlogiston theory.Antiphlogistians might argue that when a metallic calx was revived in inflammable air, air joined dephlogisticated air in the calx, the metal resuming its form and qualities without addition. — 2004 formsantiphlogistians
