English dictionary
chalk
/tS//O/k/
Definitions, examples, synonyms and antonyms from WordNet 3.0.
noun
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a soft whitish calcite
Source: WordNet 3.0
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a pure flat white with little reflectance
Source: WordNet 3.0
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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
Source: WordNet 3.0
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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
Source: WordNet 3.0
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A soft, earthy substance, of a white, grayish, or yellowish white color, consisting of calcium carbonate, and having the same composition as common limestone.
Source: webster1913
verb
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write, draw, or trace with chalk
Source: WordNet 3.0
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To rub or mark with chalk.
Source: webster1913