Calx (?), n.; pl. E. Calxes (#), L. Calces (#). [L. Calx, calcis. limestone; cf. Gr. gravel. , , pebble, Skr. gravel, Ir. carraic rock Gael. carraig, W. careg, stone. Cf. Chalk.]

1. Chem. (a)

Quicklime.

[Obs.] (b)

The substance which remains when a metal or mineral has been subjected to calcination or combustion by heat, and which is, or may be, reduced to a fine powder.

Metallic calxes are now called oxides.

2.

Broken and refuse glass, returned to the post.

 

© Webster 1913.

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