a white, gray, or yellowish limestone that is soft, porous, and easily pulverized, composed almost entirely of calcite from minute sea shells
any substance like chalk in color, texture, etc.
a piece of chalk, often colored, used for drawing, writing on a blackboard, etc.
a mark or line made with chalk
Brit. a score or tally, as in a game or as of credit given
adjective
made or drawn with chalk
☆ Horse Racing, Slang
favored to win, place, or show
betting on favorites only
transitive verb
Brit. to treat with chalk; lime or fertilize (soil)
to rub or smear with chalk; specif., to rub chalk on the tip of (a billiard cue)
to make pale
to write, draw, or mark with chalk
intransitive verb
to become chalky or powdery, as a painted surface
See chalk in American Heritage Dictionary 4
(chôk)
noun
A soft compact calcite, CaCO3, with varying amounts of silica, quartz, feldspar, or other mineral impurities, generally gray-white or yellow-white and derived chiefly from fossil seashells.
a. A piece of chalk or chalklike substance in crayon form, used for marking on a blackboard or other surface.
b. Games A small cube of chalk used in rubbing the tip of a billiard or pool cue to increase its friction with the cue ball.
A mark made with chalk.
Chiefly British A score or tally.
transitive verbchalked, chalk·ing, chalks
To mark, draw, or write with chalk: chalked my name on the blackboard.
To rub or cover with chalk, as the tip of a billiard cue.
To make pale; whiten.
To treat (soil, for example) with chalk.
Phrasal Verb: chalk up To earn or score: chalk up points. To credit or ascribe: Chalk that up to experience.