1.Definition: 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

Category: Objects

2.Definition: a pure flat white with little reflectance

Category: General

3.Definition: a soft whitish calcite

Category: General

4.Definition: an amphetamine derivative used in the form of a crystalline hydrochloride; used as a stimulant to the nervous system and as an appetite suppressant

Related Noun(s):crank, deoxyephedrine, glass, ice, meth, methamphetamine, shabu, trash

Category: Objects