[ kalks ]

noun,plural calx·es, cal·ces [kal-seez]. /ˈkæl siz/.
  1. the oxide or ashy substance that remains after metals, minerals, etc., have been thoroughly roasted or burned.

Origin of calx

1350–1400; late Middle English <Latin: lime; replacing Middle English cals<Old French <Latin

Words Nearby calx Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

How to use calx in a sentence

British Dictionary definitions for calx


/ (kælks) /

nounplural calxes or calces (ˈkælsiːz)
  1. the powdery metallic oxide formed when an ore or mineral is roasted

  2. another name for calcium oxide

  1. anatomy the heel

Origin of calx

C15: from Latin: lime, from Greek khalix pebble

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012