Definition of chalk

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Chalk (n.) Finely prepared chalk, used as a drawing implement; also, by extension, a compound, as of clay and black lead, or the like, used in the same manner. See Crayon..

Lern More About Chalk

Pencil :: Pencil (n.) A slender cylinder or strip of black lead, colored chalk, slate etc., or such a cylinder or strip inserted in a small wooden rod intended to be pointed, or in a case, which forms a handle, -- used for drawing or writing. See Graphite..
Reddle :: Reddle (n.) Red chalk. See under Chalk.
Bufonite :: Bufonite (n.) An old name for a fossil consisting of the petrified teeth and palatal bones of fishes belonging to the family of Pycnodonts (thick teeth), whose remains occur in the oolite and chalk formations; toadstone; -- so named from a notion that it was originally formed in the head of a toad..
Line :: Line (n.) A more or less threadlike mark of pen, pencil, or graver; any long mark; as, a chalk line..
Cretaceous :: Cretaceous (a.) Having the qualities of chalk; abounding with chalk; chalky; as, cretaceous rocks and formations. See Chalk..
Meagre :: Meagre (a.) Dry and harsh to the touch, as chalk..
Crayon :: Crayon (n.) An implement for drawing, made of clay and plumbago, or of some preparation of chalk, usually sold in small prisms or cylinders..
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.
Chalk :: Chalk (v. t.) To manure with chalk, as land..
Disintegrate :: Disintegrate (v. i.) To decompose into integrant parts; as, chalk rapidly disintegrates..
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..
Chalking :: Chalking (p. pr. & vb. n.) of Chal.
Insoluble :: Insoluble (a.) Not soluble; in capable or difficult of being dissolved, as by a liquid; as, chalk is insoluble in water..
Whiting :: Whiting (n.) Chalk prepared in an impalpable powder by pulverizing and repeated washing, used as a pigment, as an ingredient in putty, for cleaning silver, etc..
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..
Chalk :: Chalk (v. t.) To make white, as with chalk; to make pale; to bleach..
Absorbent :: Absorbent (n.) Any substance which absorbs and neutralizes acid fluid in the stomach and bowels, as magnesia, chalk, etc.; also a substance e. g., iodine) which acts on the absorbent vessels so as to reduce enlarged and indurated parts..
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..
Calcite :: Calcite (n.) Calcium carbonate, or carbonate of lime. It is rhombohedral in its crystallization, and thus distinguished from aragonite. It includes common limestone, chalk, and marble. Called also calc-spar and calcareous spar..
Portland Cement :: Portland cement () A cement having the color of the Portland stone of England, made by calcining an artificial mixture of carbonate of lime and clay, or sometimes certain natural limestones or chalky clays. It contains a large proportion of clay, and hardens under water..
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