Definition:
calx
- calxa mineral residue
- calxthe oxide or ashy substance that remains after metals, minerals, etc., have been thoroughly roasted or burned
- calxwhite or grayish-white, odorless, lumpy, very slightly water-soluble solid, CaO, that when combined with water forms calcium hydroxide (slaked lime), obtained from calcium carbonate, limestone, or oyster shells: used chiefly in mortars, plasters, and ceme