Coal tar
(Coal" tar`) A thick, black, tarry liquid, obtained by the distillation of bituminous coal in the manufacture
of illuminating gas; used for making printer's ink, black varnish, etc. It is a complex mixture from which
many substances have been obtained, especially hydrocarbons of the benzene or aromatic series.
Among its important ingredients are benzene, aniline, phenol, naphtalene, anthracene, etc., which are
respectively typical of many dye stuffs, as the aniline dyes, the phthaleïns, indigo, alizarin, and many
flavoring extracts whose artificial production is a matter of great commercial importance.
Coal-whipper
(Coal"-whip`per) n. One who raises coal out of the hold of a ship. [Eng.] Dickens.
Coal works
(Coal" works) A place where coal is dug, including the machinery for raising the coal.
Coaly
(Coal"y) a. [From Coal, n.] Pertaining to, or resembling, coal; containing coal; of the nature of
coal.
Coamings
(Coam"ings) n. pl. [Cf. Comb a crest.] (Naut.) Raised pieces of wood of iron around a
hatchway, skylight, or other opening in the deck, to prevent water from running bellow; esp. the fore-
and-aft pieces of a hatchway frame as distinguished from the transverse head ledges. [Written also
combings.]
Coannex
(Co`an*nex") v. t. To annex with something else.
