Definition of calx in English:

calx

Syllabification: calx
Pronunciation: /kalks
 
/

noun (plural calces /ˈkalˌsēz/)

Chemistry , archaic
A powdery metallic oxide formed when an ore or mineral has been heated.
More example sentences
  • Then a French pharmacist named Pierre Bayen pointed out to Lavoisier that calx of mercury, which we would now call mercuric oxide, can be converted to mercury simply by heating.
  • Other common names by which the compound is known include burnt lime, unslaked lime, fluxing lime, and calx.
  • The reason a metal formed when its calx was heated with charcoal was therefore because the phlogiston left the charcoal and united with the calx.

Origin

late Middle English: from Latin, 'lime', probably from Greek khalix 'pebble, limestone'.

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