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Made thin or less viscid; rarefied. Bacon.

The act of attenuating; the act of making thin or less dense, or of rarefying, as fluids or gases.

Foreign troops in the service of a nation at war; (rarely in sing.), a member of the allied or subsidiary force.

Of or pertaining to an uncle. In these rare instances, the law of pedigree, whether direct or avuncular, gives way. I. Taylor.

Destitute; indigent; empty; unfurnished or scantily furnished; -- used with of (rarely with in) before the thing wanting or taken away; as, a room bare of furniture. "A bare treasury." Dryden.

Symbol, Ba. Its oxide called baryta. [Rarely written barytum.]

name is sometimes applied also to the impure commercial product or benzole, and also, but rarely, to a similar mixed product of petroleum. Benzene nucleus, Benzene ring (Chem.), a closed chain or ring, consisting of six carbon atoms, each with one hydrogen atom attached, regarded as the type from which the aromatic com…

[Cf. Biography.] A biographical sketch. [Rare]

One who takes pleasure in rearing or collecting rare or curious birds.

That which is born; that which is produced, whether animal or vegetable. Poets are far rarer births that kings. B. Jonson. Others hatch their eggs and tend the birth till it is able to shift for itself. Addison.

forge in which wrought iron in the form of blooms is made directly from the ore, or (more rarely) from cast iron.

e in Bohemia. It is of variable composition, containing usually silica, lime, and potash, rarely soda, but no lead. It is often remarkable for beauty of color.

rly used in medicine. It is composed essentially of hydrous silicates of alumina, or more rarely of magnesia. See Clay, and Terra alba.

vex; to annoy; to pester. He bores me with some trick. Shak. Used to come and bore me at rare intervals. Carlyle.

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 al…

A pair; a couple; as, a brace of ducks; now rarely applied to persons, except familiarly or with some contempt. "A brace of greyhounds." Shak. He is said to have shot . . . fifty brace of pheasants. Addison. A brace of brethren, both bishops, both eminent for learning and religion, now appeared in the church. Fuller. B…

often containing two parts of copper to one part of zinc. It sometimes contains tin, and rarely other metals.

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

Silver bromide, a rare mineral; -- called also bromargyrite.

ore conical that the trumpet, sometimes keyed; formerly much used in military bands, very rarely in the orchestra; now superseded by the cornet; -- called also the Kent bugle.