chalk
— Noun
– English
~ 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
chalk
— Noun
– English
~ a pure flat white with little reflectance
chalk
— Noun
– English
~ 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