Origin of chalk

before 900; Middle English chalke, Old English cealc < Latin calc- (stem of calx) lime
Related formschalk·like, adjectiveun·chalked, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for chalking

British Dictionary definitions for chalking

chalk

/ (tʃɔːk) /

noun

verb

Derived Formschalklike, adjectivechalky, adjectivechalkiness, noun

Word Origin for chalk

Old English cealc, from Latin calx limestone, 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

Science definitions for chalking

chalk

[ chôk ]

A soft, white, gray, or yellow limestone consisting mainly of calcium carbonate and formed primarily from the accumulation of fossil microorganisms such as foraminifera and calcareous algae. Chalk is used in making lime, cement, and fertilizers, and as a whitening pigment in ceramics, paints, and cosmetics. The chalk used in classrooms is usually artificial.
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