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Origin of chalk

First recorded before 900; Middle English chalk, schalk, calk, Old English cealc “plaster, cement”; cognate with Old Saxon calc, Dutch kalk, German Kalch, Kalk, from Latin calc- (stem of calx ) “lime, limestone, quicklime,” from Greek chálix “small stone, rubble, gravel, mortar”

OTHER WORDS FROM chalk

chalk·like, adjectiveun·chalked, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

How to use chalk in a sentence

British Dictionary definitions for chalk

chalk
/ (tʃɔːk) /

noun
verb

Derived forms of chalk

chalklike, 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

Scientific definitions for chalk

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.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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