chalk

Noun
  • A soft whitish calcite (synset 114830768)
  • A pure flat white with little reflectance (synset 104968649)
  • 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 (synset 103759824)
  • 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 (synset 103006695)
Verb
  • Write, draw, or trace with chalk (synset 201694058)

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