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Consisting of two notes; as, a binotonous cry.

g iron and magnesia, generally of a black or dark green color; -- a common constituent of crystalline rocks. See Mica.

placed base to base; having a pyramid at each of the extremities of a prism, as in quartz crystals.

A sound made in imitation of the note or cry of a bird for the purpose of decoying the bird or its mate.

The line bisecting the angle between the optic axes of a biaxial crystal.

One of the elements; a metal of a reddish white color, crystallizing in rhombohedrons. It is somewhat harder than lead, and rather brittle; masses show broad cleavage surfaces when broken across. It melts at 507º Fahr., being easily fused in the flame of a candle. It is found in a native state, and as a constituent of…

A white, crystalline, nitrogenous substance, C2O2N3H5, formed by heating urea. It is intermediate between urea and cyanuric acid.

To cry, as a calf or sheep; to bleat; to make a senseless noise; to talk inconsiderately. [Low]

To make the noise of, or one like that of, a sheep; to cry like a sheep or calf. Then suddenly was heard along the main, To low the ox, to bleat the woolly train. Pope The ewe that will not hear her lamb when it baas, will never answer a calf when he bleats. Shak.

Crying as a sheep does. Then came the shepherd back with his bleating flocks from the seaside. Longfellow.

To weep noisily, or so as to disfigure the face; to cry in a childish manner. She wept, she blubbered, and she tore her hair. Swift.

Blue verditer. See Verditer. -- Blue vitriol (Chem.), sulphate of copper, a violet blue crystallized salt, used in electric batteries, calico printing, etc. -- Blue water, the open ocean. -- To look blue, to look disheartened or dejected. -- True blue, genuine and thorough; not modified, nor mixed; not spurious; s…

A crying out; a roaring; a bellowing; reverberation. [Obs.] The guns were heard . . . about a hundred Italian miles, in long boations. Derham.

To bawl; to cry loudly. [Low] Bartlett.

To cry with a hollow note; to make a hollow sound, as the bittern, and some insects. At eve the beetle boometh Athwart the thicket lone. Tennyson.

A mineral of a white or gray color occurring massive and in isometric crystals; in composition it is a magnesium borate with magnesium chloride.

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.

as a substance of a deep olive color, in a semimetallic form, and in colorless quadratic crystals similar to the diamond in hardness and other properties. It occurs in nature also in boracite, datolite, tourmaline, and some other minerals. Atomic weight 10.9. Symbol B.

Imperfectly crystallized or coarse diamonds, or fragments made in cutting good diamonds which are reduced to powder and used in lapidary work.