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A leaf, usually smaller than the true leaves of a plant, from the axil of which a flower stalk arises.

A bract on the stalk of a single flower, which is itself on a main stalk that support several flowers. Gray.

A substance, C16H14O5, extracted from brazilwood as a yellow crystalline powder which is white when pure. It is colored intensely red by alkalies on exposure to the air, being oxidized to bra*sil"e*in, C16H12O5, to which brazilwood owes its dyeing properties.

e contained in both Brazil wood and Sapan wood, from which it is extracted as a yellow crystalline substance which is white when pure. It is colored intensely red by alkalies. [Written also brezilin.]

To burn. [Obs.] Chaucer. Consuming fire brent his shearing house or stall. W. Browne.

A rare zeolitic mineral occurring in white monoclinic crystals with pearly luster. It is a hydrous silicate of aluminia, baryta, and strontia.

The head gear with which a horse is governed and restrained, consisting of a headstall, a bit, and reins, with other appendages.

ltness of a liquid. -- Brine pan, a pit or pan of salt water, where salt is formed by cristallization. -- Brine pit, a salt spring or well, from which water is taken to be boiled or evaporated for making salt. -- Brine pump (Marine Engin.), a pump for changing the water in the boilers, so as to clear them of the bri…

for polishing cultery; -- originally manufactured at Bristol. -- Bristol stone, rock crystal, or brilliant crystals of quartz, found in the mountain limestone near Bristol, and used in making ornaments, vases, etc. When polished, it is called Bristol diamond.

eak; fragile; not tough or tenacious. Farewell, thou pretty, brittle piece Of fine-cut crystal. Cotton. Brittle silver ore, the mineral stephanite.

A basic sulphate of copper, occurring in emerald-green crystals.

A colorless or white crystalline compound, (CH2)6N4C2H5Br, used as a sedative in epilepsy.

A crystalline substance (chemically, tribromophenol, C6H2Br3OH), used as an antiseptic and disinfectant.

of titanic oxide, and hence identical with rutile and octahedrite in composition, but crystallizing in the orthorhombic system.

A white or gray crystalline mineral consisting of the acid phosphate of calcium.

mal or vegetable organism, the bud thus formed sometimes remaining attached to the parent stalk or cell, at other times becoming free; gemmation. See Hydroidea.

a white butterfly. See Cabbage Butterfly, above. The cabbage cutworms, which eat off the stalks or young plants during the night, are the larvæ of several species of moths, of the genus Agrotis. See Cutworm. -- Sea cabbage.(Bot.) (a) Sea kale (b). The original Plant (Brassica oleracea), from which the cabbage, caulif…

a large cavity, containing an oily fluid, which, after death, concretes into a whitish crystalline substance called spermaceti. See Sperm whale.

Of, pertaining to, or derived from, cacodyl. Cacodylic acid, a white, crystalline, deliquescent substance, (CH3)2AsO.OH, obtained by the oxidation of cacodyl, and having the properties of an exceedingly stable acid; -- also called alkargen.

obtained from, coffee. Caffeic acid, an acid obtained from coffee tannin, as a yellow crystalline substance, C9H8O4.