calx

  1. Noun.  (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.
  2. Noun.  (Now recognised as being) the oxide left after calcination of a metal.
  3. Noun.  calcium oxide.

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This entry was last updated on RefTopia from its source on 3/20/2012.