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biometrics, in biology

(Encyclopedia)biometrics, also known as biostatistics or biometry, in biology, the development and application of statistical and mathematical methods to the analysis of data resulting from biological observations ...

bitterroot, in botany

(Encyclopedia)bitterroot: see purslane.

Brethren in Christ

(Encyclopedia)Brethren in Christ: see River Brethren. ...

bronze, in art

(Encyclopedia)bronze, in art: see bronze sculpture. ...

bronze, in metallurgy

(Encyclopedia)bronze, in metallurgy, alloy of copper, tin, zinc, phosphorus, and sometimes small amounts of other elements. Bronzes are harder than brasses. Most are produced by melting the copper and adding the de...

berry, in botany

(Encyclopedia)berry: see fruit.

radical, in chemistry

(Encyclopedia)radical, in chemistry, group of atoms that are joined together in some particular spatial structure and that take part in most chemical reactions as a single unit. Important inorganic radicals include...

radical, in mathematics

(Encyclopedia)radical, in mathematics, symbol () placed over a number or expression, called the radicand, to indicate a root of the radicand. When used without a sign or index number, as in 4, it designates the pos...

rape, in botany

(Encyclopedia)rape, in botany, annual herb (Brassica napus) of the family Cruciferae (or Brassicaceae; mustard family), belonging to the same genus as the cabbage, the mustard plant, and the turnip (which it resemb...

rape, in law

(Encyclopedia)rape, in law, the crime of sexual relations, often specifically sexual intercourse, without the consent of the victim, often through force or threat of violence. The victim is deemed legally incapable...