calcio-|ˈkælsɪəʊ-|a combining form of calcium, used in names of minerals: as calcio-ceˈlestite, a variety of celestite containing much lime; calcio-ˈferrite, a hydrous phosphate of calcium and iron, occurring as a sulphur-yellow mineral (Dana).
calcio-/ˈkalsɪəʊ/combining form.
ORIGIN: from calcium + -o-.
Used with the sense ‘calcium’, esp. to form mineral names.
calcio- combining form Etymology:calcium : calcium — used chiefly in names of minerals < calciobiotite >