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The degree of bachelor of arts. (B.A. or A.B.), the first or lowest academical degree conferred by universities and colleges.

Chemical decomposition brought about by bacteria without the addition of oxygen.

reviously dyed of a uniform red or dark color, by discharging portions of the color by chemical means, while the rest of the cloth is under pressure. Ure.

A combining form, especially in anatomical and botanical words, to indicate the base or position at or near a base; forming a base; as, basibranchials, the most ventral of the cartilages or bones of the branchial arches; basicranial, situated at the base of the cranium; basifacial, basitemporal, etc.…

Having the base in excess, or the amount of the base atomically greater than that of the acid, or exceeding in proportion that of the related neutral salt.

lasm, covering a large part of the ocean bed. It is now known that the substance is of chemical, not of organic, origin.

ed down himself before the people. Gen. xxiii. 12. Wherewith shall I come before the Lord Micah vi. 6.

In the composition of chemical names bi- denotes two atoms, parts, or equivalents of that constituent to the name of which it is prefixed, to one of the other component, or that such constituent is present in double the ordinary proportion; as, bichromate, bisulphide. Be- and di- are often used interchangeably.…

n round their common center of gravity. -- Binary theory (Chem.), the theory that all chemical compounds consist of two constituents of opposite and unlike qualities.

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

racted from vegetable products, having strong bitter taste but with no sharply defined chemical characteristics. -- Bitter salt, Epsom salts;; magnesium sulphate. -- Bitter vetch (Bot.), a name given to two European leguminous herbs, Vicia Orobus and Ervum Ervilia. -- To the bitter end, to the last extremity, howeve…

or that which, blanches or whitens; esp., one who anneals and cleanses money; also, a chemical preparation for this purpose.

ss of whitening, by removing color or stains; esp. the process of whitening fabrics by chemical agents. Ure. Bleaching powder, a powder for bleaching, consisting of chloride of lime, or some other chemical or chemicals.

A long, straightnecked, glass vessel for chemical distillations; -- called also a matrass or receiver.

A unit of chemical attraction; as, oxygen has two bonds of affinity. It is often represented in graphic formulæ by a short line or dash. See Diagram of Benzene nucleus, and Valence. Arbitration bond. See under Arbitration. -- Bond crediter (Law), a creditor whose debt is secured by a bond. Blackstone. -- Bond debt (L…

A breaking up of amicable relations; rupture. There's fallen between him and my lord An unkind breach. Shak.

One of the elements, related in its chemical qualities to chlorine and iodine. Atomic weight 79.8. Symbol Br. It is a deep reddish brown liquid of a very disagreeable odor, emitting a brownish vapor at the ordinary temperature. In combination it is found in minute quantities in sea water, and in many saline springs. It…

A crystalline substance (chemically, tribromophenol, C6H2Br3OH), used as an antiseptic and disinfectant.

tc., the appearance of bronze by means of bronze powders, or imitative painting, or by chemical processes. Tomlinson.

with strychnine, in the seeds of different species of Strychnos, especially in the Nux vomica. It is less powerful than strychnine. Called also brucia and brucina.