calces

Its calces are white when imperfect, but black, or dark green, when perfect.

Ut ingrediantur lubricum isti iter, impingendo stimulis calces.

See the section—'quomodo praeparatur tartarum, ut oleum fiat ex illo, quo calces soluuntur'; Theat.

Metals then were regarded as compounds of calces and phlogiston.

But Cavendish instituted a series of experiments which proved that no fixed air could be obtained from metallic calces.