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To perforate or penetrate, as a solid body, by turning an auger, gimlet, drill, or other instrument; to make a round hole in or through; to pierce; as, to bore a plank. I'll believe as soon this whole earth may be bored. Shak.

Northern; pertaining to the north, or to the north wind; as, a boreal bird; a boreal blast. So from their own clear north in radiant streams, Bright over Europe bursts the boreal morn. Thomson.

The north wind; -- usually a personification.

A brassicaceous plant of many varieties, cultivated for its leaves, which are not formed into a compact head like the cabbage, but are loose, and are generally curled or wrinkled; kale.

The state of being bored, or pestered; a state of ennui. Dickens.

Same as BourrÉ\'82. [Obs.] Swift.

See Borrel.

The smaller two-horned rhinoceros of South Africa (Atelodus bicornis).

One that bores; an instrument for boring.

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.

A binary compound of boron with a more positive or basic element or radical; -- formerly called boruret.

The act or process of one who, or that which, bores; as, the boring of cannon; the boring of piles and ship timbers by certain marine mollusks. One of the most important applications of boring is in the formation of artesian wells. Tomlinson.

Brought forth, as an animal; brought into life; introduced by birth. No one could be born into slavery in Mexico. Prescott.

Carried; conveyed; supported; defrayed. See Bear, v. t.

r, from which it can be produced by reduction. It is said to occur in the camphor tree of Borneo and Sumatra (Dryobalanops camphora), but the natural borneol is rarely found in European or American commerce, being in great request by the Chinese. Called also Borneo camphor, Malay camphor, and camphol.…

A valuable ore of copper, containing copper, iron, and sulphur; -- also called purple copper ore (or erubescite), in allusion to the colors shown upon the slightly tarnished surface.

A double fluoride of boron and hydrogen, or some other positive element, or radical; -- called also fluoboride, and formerly fluoborate.

A compound of boric acid and glycerin, used as an antiseptic.

A nonmetallic element occurring abundantly in borax. It is reduced with difficulty to the free state, when it can be obtained in several different forms; viz., 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 oc…

A double salt of boric and silicic acids, as in the natural minerals tourmaline, datolite, etc.