BOIL n.
A hard, painful, inflamed tumor, which, on suppuration, discharges pus, mixed with blood, and discloses a small fibrous mass of dead tissue, called the core. A blind boil, one that suppurates imperfectly, or fails to come to a head. -- Delhi boil (Med.), a peculiar affection of the skin, probably parasitic in origin,…
BOMBARDIER n.
beetle (Brachinus crepitans), so called because, when disturbed, it makes an explosive discharge of a pungent and acrid vapor from its anal glands. The name is applied to other related species, as the B. displosor, which can produce ten or twelve explosions successively. The common American species is B. fumans.…
BONE n.
nce into which bones are converted by calcination in close vessels; -- called also animal charcoal. It is used as a decolorizing material in filtering sirups, extracts, etc., and as a black pigment. See Ivory black, under Black. -- Bone cave, a cave in which are found bones of extinct or recent animals, mingled someti…