Calx definition

kălks
The ashy powder left after a metal or mineral has been calcined.
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The heel of the foot.
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The crumbly residue left after a mineral or metal has been calcined or roasted.
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(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.
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(Now recognised as being) The oxide left after calcination of a metal.
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Calcium oxide.
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In the Eton College wall game, an area at the end of the field where a shy can be scored by lifting the ball against the wall with one's foot.
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Other Word Forms

Noun

Singular:
calx
Plural:
calxes

Origin of calx

  • Middle English from Latin lime, limestone, pebble from Greek khalix pebble

    From American Heritage Dictionary of the English Language, 5th Edition

  • From Latin calx (“lime”).

    From Wiktionary