CHALK

• (noun) a piece of calcite or a similar substance, usually in the shape of a crayon, that is used to write or draw on blackboards or other flat surfaces

• (noun) an amphetamine derivative (trade name Methedrine) used in the form of a crystalline hydrochloride; used as a stimulant to the nervous system and as an appetite suppressant

  synonyms : chicken feed , crank , deoxyephedrine , glass , ice , meth , methamphetamine , methamphetamine hydrochloride , methedrine , shabu , trash

• (noun) a pure flat white with little reflectance

• (noun) a soft whitish calcite

• (verb) write, draw, or trace with chalk

WordNet® 3.0, © 2006 by Princeton University.

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