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

Insoluble :: Insoluble (a.) Not soluble; in capable or difficult of being dissolved, as by a liquid; as, chalk is insoluble in water..
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..
Pica :: Pica (n.) A vitiated appetite that craves what is unfit for food, as chalk, ashes, coal, etc.; chthonophagia..
Line :: Line (n.) A more or less threadlike mark of pen, pencil, or graver; any long mark; as, a chalk line..
Calk :: Calk (v. t.) To copy, as a drawing, by rubbing the back of it with red or black chalk, and then passing a blunt style or needle over the lines, so as to leave a tracing on the paper or other thing against which it is laid or held..
Drawing :: Drawing (n.) The act or the art of representing any object by means of lines and shades; especially, such a representation when in one color, or in tints used not to represent the colors of natural objects, but for effect only, and produced with hard material such as pencil, chalk, etc.; delineation; also, the figure or representation drawn..
Rotalite :: Rotalite (n.) Any fossil foraminifer of the genus Rotalia, abundant in the chalk formation. See Illust. under Rhizopod..
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.
Shovelboard :: Shovelboard (n.) A game played on board ship in which the aim is to shove or drive with a cue wooden disks into divisions chalked on the deck; -- called also shuffleboard.
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..
Neocomian :: Neocomian (n.) A term applied to the lowest deposits of the Cretaceous or chalk formation of Europe, being the lower greensand..
Chalk :: 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..
Chalkcutter :: Chalkcutter (n.) A man who digs chalk.
Chalkiness :: Chalkiness (n.) The state of being chalky.
Clunch :: Clunch (n.) One of the hard beds of the lower 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..
Chalky :: Chalky (a.) Consisting of, or resembling, chalk; containing chalk; as, a chalky cliff; a chalky taste..
Meagre :: Meagre (a.) Dry and harsh to the touch, as 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..
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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