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chalk

PRIMARY MEANINGS OF: chalk

1
nv
a soft whitish calcite
write, draw, or trace with chalk
2
n
a pure flat white with little reflectance
3
n
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
FULL DEFINITIONS OF: chalk
1

n a soft whitish calcite

Type of:
calcite
a common mineral consisting of crystallized calcium carbonate; a major constituent of limestone

n 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

Types:
drawing chalk
colored chalks used by artists
tailor's chalk
chalk used by tailors to make temporary marks on cloth
Type of:
writing implement
an implement that is used to write

v write, draw, or trace with chalk

Type of:
draw
represent by making a drawing of, as with a pencil, chalk, etc. on a surface
2

n a pure flat white with little reflectance

Type of:
white, whiteness
the quality or state of the achromatic color of greatest lightness (bearing the least resemblance to black)
3

n 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:
Methedrine, chicken feed, crank, deoxyephedrine, glass, ice, meth, methamphetamine, methamphetamine hydrochloride, shabu, trash
Type of:
amphetamine, pep pill, speed, upper
a central nervous system stimulant that increases energy and decreases appetite; used to treat narcolepsy and some forms of depression
controlled substance
a drug or chemical substance whose possession and use are controlled by law
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