Part 754

Bo"ric (&?;), a. (Chem.) 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.

Bo"ride (&?;), n. (Chem.) A binary compound of boron with a more positive or basic element or radical; -- formerly called boruret.

Bor"ing (&?;), n. 1. 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.

2. A hole made by boring.

3. pl. The chips or fragments made by boring.

Boring bar, a revolving or stationary bar, carrying one or more cutting tools for dressing round holes. -- Boring tool (Metal Working), a cutting tool placed in a cutter head to dress round holes. Knight.

Born (bôrn), p. p. & a. [See Bear, v. t.] 1. Brought forth, as an animal; brought into life; introduced by birth.

No one could be born into slavery in Mexico. Prescott.

2. Having from birth a certain character; by or from birth; by nature; innate; as, a born liar. "A born matchmaker." W. D. Howells.

Born again (Theol.), regenerated; renewed; having received spiritual life. "Except a man be born again, he can not see the kingdom of God." John iii. 3. -- Born days, days since one was born; lifetime. [Colloq.]

Borne (brn), p. p. of Bear. Carried; conveyed; supported; defrayed. See Bear, v. t.

Bor"ne*ol (&?;), n. [Borneo + - ol.] (Chem.) A rare variety of camphor, C10H17.OH, resembling ordinary camphor, 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.

Bor"nite (&?;), n. [Named after Von Born, a mineralogist.] (Min.) 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.

Bo`ro*flu"or*ide (&?;), n. [Boron + fluoride.] (Chem.) A double fluoride of boron and hydrogen, or some other positive element, or radical; -- called also fluoboride, and formerly fluoborate.

Bo"ro*glyc"er*ide (&?;), n. [Boron + glyceride.] (Chem.) A compound of boric acid and glycerin, used as an antiseptic.

Bo"ron (b"rn), n. [See Borax.] (Chem.) 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 occurs in nature also in boracite, datolite, tourmaline, and some other minerals. Atomic weight 10.9. Symbol B.

Bo"ro*sil"i*cate (&?;), n. [Boron + silicate.] (Chem.) A double salt of boric and silicic acids, as in the natural minerals tourmaline, datolite, etc.

Bor"ough (&?;), n. [OE. burgh, burw, boru, port, town, burrow, AS. burh, burg; akin to Icel., Sw., & Dan. borg, OS. & D. burg, OHG. puruc, purc, MHG. burc, G. burg, Goth. baúrgs; and from the root of AS. beorgan to hide, save, defend, G. bergen; or perh. from that of AS. beorg hill, mountain. √95. See Bury, v. t., and cf. Burrow, Burg, Bury, n., Burgess, Iceberg, Borrow, Harbor, Hauberk.] 1. In England, an incorporated town that is not a city; also, a town that sends members to parliament; in Scotland, a body corporate, consisting of the inhabitants of a certain district, erected by the sovereign, with a certain jurisdiction; in America, an incorporated town or village, as in Pennsylvania and Connecticut. Burrill. Erskine.

2. The collective body of citizens or inhabitants of a borough; as, the borough voted to lay a tax.

Close borough, or Pocket borough, a borough having the right of sending a member to Parliament, whose nomination is in the hands of a single person. -- Rotten borough, a name given to any borough which, at the time of the passage of the Reform Bill of 1832, contained but few voters, yet retained the privilege of sending a member to Parliament.

Bor"ough, n. [See Borrow.] (O. Eng. Law) (a) An association of men who gave pledges or sureties to the king for the good behavior of each other. (b) The pledge or surety thus given. Blackstone. Tomlins.

Bor"ough-Eng"lish (&?;), n. (Eng. Law) A custom, as in some ancient boroughs, by which lands and tenements descend to the youngest son, instead of the eldest; or, if the owner have no issue, to the youngest brother. Blackstone.

Bor"ough*head` (&?;), n. See Headborough. [Obs.]

Bor"ough*hold"er (&?;), n. A headborough; a borsholder.

Bor"ough*mas"ter (&?;), n. [Cf. Burgomaster.] The mayor, governor, or bailiff of a borough.

Bor"ough*mon"ger (&?;), n. One who buys or sells the parliamentary seats of boroughs.