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A white or gray crystalline salt, with a slight alkaline taste, used as a flux, in soldering metals, making enamels, fixing colors on porcelain, and as a soap. It occurs native in certain mineral springs, and is made from the boric acid of hot springs in Tuscany. It was originally obtained from a lake in Thibet, and wa…

Of, pertaining to, or containing, boron. Boric acid, a white crystalline substance B(OH)3, easily obtained from its salts, and occurring in solution in the hot lagoons of Tuscany.

The whitish mass of soft matter (the center of the nervous system, and the seat of consciousness and volition) which is inclosed in the cartilaginous or bony cranium of vertebrate animals. It is simply the anterior termination of the spinal cord, and is developed from three embryonic vesicles, whose cavities are connec…

A quarrel. [R.] Whitlock.

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.

brass. A brass is often lined with a softer metal, when the latter is generally called a white metal lining. See Axle box, Journal Box, and Bearing.

Iron is a brave commodity where wood aboundeth. Bacon. It being a brave day, I walked to Whitehall. Pepys.

ood 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.]

Without bread; destitude of food. Plump peers and breadless bards alike are dull. P. Whitehead.

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

A white-metal alloy of tin, antimony, bismuth, copper, etc. It somewhat resembles silver, and isused for table ware. Called also Britannia metal.

A marble, clouded and veined with white, gray, yellow, and red, in which the yellow usually prevails. It is also called Siena marble, from its locality.

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

A small white-flowered herb (Samolus Valerandi) found usually in wet places; water pimpernel.

A white, pearly mineral, occurring thin and foliated, like talc, and also fibrous; a native magnesium hydrate.

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

tter principle obtained from the root of the bryony (Bryonia alba and B. dioica). It is a white, or slightly colored, substance, and is emetic and cathartic.

name of several cucurbitaceous plants of the genus Bryonia. The root of B. alba (rough or white bryony) and of B. dioica is a strong, irritating cathartic. Black bryony, a plant (Tamus communis) so named from its dark glossy leaves and black root; black bindweed.

A plant (Menyanthes trifoliata) which grows in moist and boggy places, having racems of white or reddish flowers and intensely bitter leaves, sometimes used in medicine; marsh trefoil; -- called also bog bean.

Having bad or speckled eyes. "A buck-eyed horse." James White.