spec. Applied to various coloured preparations resembling chalk in texture, and used like it in the form of crayons for drawing. With plural. Also…

A thick paste made from finely ground pigments mixed with a solution of gum arabic in water; a crayon made of this, used for sketching or colouring…

A pointed stick or pencil of coloured chalk or other material, for drawing.

Used (esp. attributively) to designate a kind of pencil, crayon, or chalk, or the process of making such pencils, which Conté developed.

Applied to other earths resembling chalk. fuller's chalk: ? fuller's earth. In quot. 1658 probably = calx, n. brown chalk: a name for umber. French…

Art. A crayon coloured red with iron oxide; a drawing executed with red chalks.

A solid black pigment consisting of carbon particles mixed with gum; a deep black ink made from this (sometimes in the form of a stick or powder)…