Black chalk

Drawing \Draw"ing\, n.
   1. The act of pulling, or attracting.
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   2. 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.
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   3. The process of stretching or spreading metals as by
      hammering, or, as in forming wire from rods or tubes and
      cups from sheet metal, by pulling them through dies.
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   4. (Textile Manuf.) The process of pulling out and elongating
      the sliver from the carding machine, by revolving rollers,
      to prepare it for spinning.
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   5. The distribution of prizes and blanks in a lottery.
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   Note: Drawing is used adjectively or as the first part of
         compounds in the sense of pertaining to drawing, for
         drawing (in the sense of pulling, and of pictorial
         representation); as, drawing master or drawing-master,
         drawing knife or drawing-knife, drawing machine,
         drawing board, drawing paper, drawing pen, drawing
         pencil, etc.
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   {A drawing of tea}, a small portion of tea for steeping.

   {Drawing knife}. See in the {Vocabulary}.

   {Drawing paper} (Fine Arts), a thick, sized paper for
      draughtsman and for water-color painting.

   {Drawing slate}, a soft, slaty substance used in crayon
      drawing; -- called also {black chalk}, or {drawing chalk}.
      

   {Free-hand drawing}, a style of drawing made without the use
      of guiding or measuring instruments, as distinguished from
      mechanical or geometrical drawing; also, a drawing thus
      executed.
      [1913 Webster] Drawing knife
    

Chalk \Chalk\ (ch[add]k), n. [AS. cealc lime, from L. calx
   limestone. See {Calz}, and {Cawk}.]
   1. (Min.) A soft, earthy substance, of a white, grayish, or
      yellowish white color, consisting of calcium carbonate,
      and having the same composition as common limestone.
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   2. (Fine Arts) 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}.
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   {Black chalk}, a mineral of a bluish color, of a slaty
      texture, and soiling the fingers when handled; a variety
      of argillaceous slate.

   {By a long chalk}, by a long way; by many degrees. [Slang]
      --Lowell.

   {Chalk drawing} (Fine Arts), a drawing made with crayons. See
      {Crayon}.

   {Chalk formation}. See {Cretaceous formation}, under
      {Cretaceous}.

   {Chalk line}, a cord rubbed with chalk, used for making
      straight lines on boards or other material, as a guide in
      cutting or in arranging work.

   {Chalk mixture}, a preparation of chalk, cinnamon, and sugar
      in gum water, much used in diarrheal affection, esp. of
      infants.

   {Chalk period}. (Geol.) See {Cretaceous period}, under
      {Cretaceous}.

   {Chalk pit}, a pit in which chalk is dug.

   {Drawing chalk}. See {Crayon}, n., 1.

   {French chalk}, steatite or soapstone, a soft magnesian
      mineral.

   {Red chalk}, an indurated clayey ocher containing iron, and
      used by painters and artificers; reddle.
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