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Noun: chalk  chok
  1. 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
     
  2. A soft whitish calcite
     
  3. A pure flat white with little reflectance
     
  4. 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
    - methamphetamine, methamphetamine hydrochloride, Methedrine, meth, deoxyephedrine, chicken feed, crank, glass, ice, shabu, trash, crystal meth
Verb: chalk  chok
  1. Write, draw, or trace with chalk

Derived forms: chalking, chalks, chalked

Type of: amphetamine, calcite, controlled substance, draw, pep pill, speed, upper, white, whiteness, writing implement

Encyclopedia: Chalk, Kent