pl. calx′es or cal′ces·
- the ashy powder left after a metal or mineral has been calcined
- the heel of the foot
Origin of calxL, small stone, lime: see calcium
nounpl. calx·es or cal·ces
- The crumbly residue left after a mineral or metal has been calcined or roasted.
- See calcium oxide.
Origin of calxMiddle English, from Latin, lime, limestone, pebble, from Greek khalix, pebble.
(plural calxes or calces)
- (archaic) The substance which remains after a metal or mineral has been thoroughly burnt, seen as being the essential substance left after the expulsion of phlogiston.
- (Now recognised as being) the oxide left after calcination of a metal.
- calcium oxide
- 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.
From Latin calx (“lime”).