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uranium

(Encyclopedia)uranium yo͞orāˈnēəm [key], radioactive metallic chemical element; symbol U; at. no. 92; mass number of most stable isotope 238; m.p. 1,132℃; b.p. 3,818℃; sp. gr. 19.1 at 25℃; valence +3, +4...

Baltic languages

(Encyclopedia)Baltic languages, a subfamily of the Indo-European family of languages. The Indo-European subfamily to which the Baltic languages appear to be closest is the Slavic. Because of this, some linguists re...

sulfa drug

(Encyclopedia)sulfa drug, any of a class of synthetic chemical substances derived from sulfanilamide, or para-aminobenzenesulfonamide. Sulfa drugs are used to treat bacterial infections, although they have largely ...

bhakti

(Encyclopedia)bhakti bŭkˈtē [key] [Skt.,=devotion], theistic devotion in Hinduism. Bhakti cults seem to have existed from the earliest times, but they gained strength in the first millennium a.d. The first full ...

chromosome

(Encyclopedia)chromosome krōˈməsōmˌ [key], structural carrier of hereditary characteristics, found in the nucleus of every cell and so named for its readiness to absorb dyes. The term chromosome is usually res...

Hermitage, museum, St. Petersburg, Russia

(Encyclopedia)Hermitage ĕrˌmētäzhˈ [key], museum in St. Petersburg, Russia, one of the world's foremost houses of art, consisting of six buildings along the embankment of the Neva River. Its central building, ...

life

(Encyclopedia)life, although there is no universal agreement as to a definition of life, its biological manifestations are generally considered to be organization, metabolism, growth, irritability, adaptation, and ...

paleomagnetism

(Encyclopedia)paleomagnetism, study of the intensity and orientation of the earth's magnetic field as preserved in the magnetic orientation of certain minerals found in rocks formed throughout geologic time. Paleom...

Vesta, in astronomy

(Encyclopedia)Vesta vĕsˈtə [key], in astronomy, the fourth asteroid to be discovered. It was found in 1807 by H. Olbers. It is the third largest asteroid in size, with a diameter of c.326 mi (525 km). Its averag...

code, in law

(Encyclopedia)code, in law, in its widest sense any body of legal rules expressed in fixed and authoritative written form. A statute thus may be termed a code. Codes contrast with customary law (including common la...