BRACHYSTOCHRONE n.
a body, starting from a given point, and descending solely by the force of gravity, will reach another given point in a shorter time than it could by any other path. This curve of quickest descent, as it is sometimes called, is, in a vacuum, the same as the cycloid.
BRIGANDINE n.
A coast of armor for the body, consisting of scales or plates, sometimes overlapping each other, generally of metal, and sewed to linen or other material. It was worn in the Middle Ages. [Written also brigantine.] Jer. xlvi. 4. Then put on all thy gorgeous arms, thy helmet, And brigandine of brass. Milton.…
BROWN a.
der Holland. -- Brown paper, dark colored paper, esp. coarse wrapping paper, made of unbleached materials. -- Brown spar (Min.), a ferruginous variety of dolomite, in part identical with ankerite. -- Brown stone. See Brownstone. -- Brown stout, a strong kind of proter or malt liquor. -- Brown study, a state of men…
BRUSSELS n.
ich 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 silk, with meshes partly straight and partly arched.