CHALK





Definition:

  1. [noun] a soft whitish calcite

  2. [noun] a pure flat white with little reflectance

  3. [noun] amphetamine used in the form of a crystalline hydrochloride; used as a stimulant to the nervous system and as an appetite suppressant
    Synonyms: methamphetamine, methamphetamine hydrochloride, Methedrine, meth, deoxyephedrine, chicken feed, crank, glass, ice, shabu, trash

  4. [noun] a piece of chalk (or similar substance) used for writing on blackboards or other surfaces

  5. [verb] write, draw, or trace with chalk

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