noun Download 🔗Share The 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). Examples : "The alchemist, after heating the copper ore for hours, examined the reddish-brown calx remaining in the crucible. " chemistry substance material mineral science Chat with AIVocabulary GamePractice Reading
noun Download 🔗Share In 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. Examples : "The team successfully scored a shy by kicking the ball against the calx. " sport game area place Chat with AIVocabulary GamePractice Reading
