calx
n. புடநீறு, உலோகம் அல்லது கனிப்பொருளை எறித்தால் எஞ்சிநிற்கும் பொருள், (தொ.) இரசத்துரு.
Calx, n.; pl. E. Calxes, L. Calces. Etym: [L. Calx, calcis. limestone; cf. Gr. 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. Note: Metallic calxes are now called oxides. 2. Broken and refuse glass, returned to the post.