noun🔗ShareLe principe du phlogistiqueThe hypothetical fiery principle formerly assumed to be a necessary constituent of combustible bodies and to be given up by them in burning."Chemists once believed that wood released phlogiston into the air as it burned. "Les chimistes croyaient autrefois que le bois libérait du phlogistique dans l'air en brûlant.theorychemistrysubstancephysicsscienceenergyChat with AIVocabulary GamePractice Reading
