COBALT n.
of some salt of cobalt, as the phosphate, ignited with alumina; -- called also cobalt ultramarine, and Thenard's blue. -- Cobalt crust, earthy arseniate of cobalt. -- Cobalt glance. (Min.) See Cobaltite. -- Cobalt green, a pigment consisting essentially of the oxides of cobalt and zinc; -- called also Rinman's gree…
COLOPHON n.
An inscription, monogram, or cipher, containing the place and date of publication, printer's name, etc., formerly placed on the last page of a book. The colophon, or final description, fell into disuse, and . . . the title page had become the principal direct means of identifying the book. De Morgan. The book was uninj…
COMPOSING a.
Pertaining to, or used in, composition. Composing frame (Print.), a stand for holding cases of type when in use. -- Composing rule (Print.), a thin slip of brass or steel, against which the type is arranged in a composing stick, or by the aid of which stickfuls or handfuls or type are lifted; -- called also setting ru…