BROMOFORM n.
A colorless liquid, CHBr3, having an agreeable odor and sweetish taste. It is produced by the simultaneous action of bromine and caustic potash upon wood spirit, alcohol, or acetone, as also by certain other reactions. In composition it is the same as chloroform, with the substitution of bromine for chlorine. It is som…
BRUSSELS n.
point. See Point lace. -- Brussels sprouts (Bot.), a plant of the Cabbage family, which produces, in the axils of the upright stem, numerous small green heads, or "sprouts," each a cabbage in miniature, of one or two inches in diameter; the thousand-headed cabbage. -- Brussels wire ground, a ground for lace, made of…
BULB n.
low), which is strictly a bud, consisting of a cluster of partially developed leaves, and producing, as it grows, a stem above, and roots below, as in the onion, tulip, etc. It differs from a corm in not being solid.
BULBIL n.
small or secondary bulb; hence, now almost exclusively: An aërial bulb or deciduous bud, produced in the leaf axils, as in the tiger lily, or relpacing the flowers, as in some onions, and capable, when separated, of propagating the plant; -- called also bulblet and brood bud.
BURNER n.
The part of a lamp, gas fixture, etc., where the flame is produced. Bunsen's burner (Chem.), a kind of burner, invented by Professor Bunsen of Heidelberg, consisting of a straight tube, four or five inches in length, having small holes for the entrance of air at the bottom. Illuminating gas being also admitted at the b…
BURNING n.
the latter with alcohol. -- Burning glass, a conxex lens of considerable size, used for producing an intense heat by converging the sun's rays to a focus. -- Burning house (Metal.), the furnace in which tin ores are calcined, to sublime the sulphur and arsenic from the pyrites. Weale. -- Burning mirror, a concave m…