noun🔗ShareChaux, oxydeThe substance which remains after a metal or mineral has been thoroughly burnt, once seen as being the essential substance left after the expulsion of phlogiston, but now recognised as being the metallic oxide (or, in some cases, the metal in a state of sublimation)."The alchemist, after heating the copper ore for hours, examined the reddish-brown calx remaining in the crucible. "L'alchimiste, après avoir chauffé le minerai de cuivre pendant des heures, examina la chaux brun rougeâtre restant dans le creuset.chemistrysubstancematerialmineralscienceChat with AIVocabulary GamePractice Reading
noun🔗ShareZone de but, butIn the Eton College wall game, an area at the end of the field where a shy can be scored by lifting the ball against the wall with one's foot."The team successfully scored a shy by kicking the ball against the calx. "L'équipe a réussi à marquer un but en frappant le ballon contre la zone de but.sportgameareaplaceChat with AIVocabulary GamePractice Reading
