Definition of chalk

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Chalk (n.) A soft, earthy substance, of a white, grayish, or yellowish white color, consisting of calcium carbonate, and having the same composition as common limestone..

Lern More About Chalk

Meagre :: Meagre (a.) Dry and harsh to the touch, as chalk..
Sarsen :: Sarsen (n.) One of the large sandstone blocks scattered over the English chalk downs; -- called also sarsen stone, and Druid stone..
Chalk :: Chalk (v. t.) To manure with chalk, as land..
Comminute :: Comminute (v. t.) To reduce to minute particles, or to a fine powder; to pulverize; to triturate; to grind; as, to comminute chalk or bones; to comminute food with the teeth..
Cretose :: Cretose (a.) Chalky; cretaceous.
Pica :: Pica (n.) A vitiated appetite that craves what is unfit for food, as chalk, ashes, coal, etc.; chthonophagia..
Verditer :: Verditer (n.) Either one of two pigments (called blue verditer, and green verditer) which are made by treating copper nitrate with calcium carbonate (in the form of lime, whiting, chalk, etc.) They consist of hydrated copper carbonates analogous to the minerals azurite and malachite..
Chalkcutter :: Chalkcutter (n.) A man who digs chalk.
Chalky :: Chalky (a.) Consisting of, or resembling, chalk; containing chalk; as, a chalky cliff; a chalky taste..
Post :: Post (n.) The doorpost of a victualer's shop or inn, on which were chalked the scores of customers; hence, a score; a debt..
Chalkiness :: Chalkiness (n.) The state of being chalky.
Disintegrate :: Disintegrate (v. i.) To decompose into integrant parts; as, chalk rapidly disintegrates..
Chalk :: Chalk (v. t.) To rub or mark with chalk.
Geophagist :: Geophagist (n.) One who eats earth, as dirt, clay, chalk, etc..
Graphotype :: Graphotype (n.) A process for producing a design upon a surface in relief so that it can be printed from. Prepared chalk or oxide of zinc is pressed upon a smooth plate by a hydraulic press, and the design is drawn upon this in a peculiar ink which hardens the surface wherever it is applied. The surface is then carefully rubbed or brushed, leaving the lines in relief..
Insoluble :: Insoluble (a.) Not soluble; in capable or difficult of being dissolved, as by a liquid; as, chalk is insoluble in water..
Chalk :: Chalk (n.) A soft, earthy substance, of a white, grayish, or yellowish white color, consisting of calcium carbonate, and having the same composition as common limestone..
Micraster :: Micraster (n.) A genus of sea urchins, similar to Spatangus, abounding in the chalk formation; -- from the starlike disposal of the ambulacral furrows..
Blackboard :: Blackboard (n.) A broad board painted black, or any black surface on which writing, drawing, or the working of mathematical problems can be done with chalk or crayons. It is much used in schools..
Glauconite :: Glauconite (n.) The green mineral characteristic of the greensand of the chalk and other formations. It is a hydrous silicate of iron and potash. See Greensand.
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