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tape recorder

(Encyclopedia)CE5 Magnetic tape-recording system tape recorder, device for recording and replaying of sound, video, and digital information on plastic (usually polyester) or paper tape. The tape is coated with ...

blast furnace

(Encyclopedia)CE5 Blast furnace for production of iron blast furnace, structure used chiefly in smelting. The principle involved in this means of extracting metals is that of the reduction of the ores by the ac...

Shatt al Arab

(Encyclopedia)Shatt al Arab shät äl äˈräb [key], tidal river, 120 mi (193 km) long, formed by the confluence of the Tigris and Euphrates rivers, flowing SE to the Persian Gulf, forming part of the Iraq-Iran bo...

Pietism

(Encyclopedia)Pietism pīˈətĭzəm [key], a movement in the Lutheran Church (see Lutheranism), most influential between the latter part of the 17th cent. and the middle of the 18th. It was an effort to stir the c...

sentence

(Encyclopedia)sentence, in criminal law, punishment that a court orders, imposed on a person convicted of criminal activity. Sentences typically consist of fines, corporal punishment, imprisonment for varying perio...

spintronics

(Encyclopedia)spintronics, spin electronics, or magnetoelectronics, science and technology that harnesses the spin state of electrons in addition to the electrical charge state to store data or perform calculation...

steroids

(Encyclopedia)CE5 Two examples of steroids steroids, class of lipids having a particular molecular ring structure called the cyclopentanoperhydro-phenanthrene ring system. Steroids differ from one another in th...

Stein, Karl, Freiherr vom und zum

(Encyclopedia)Stein, Karl, Freiherr vom und zum kärl frīˈhĕr fəm o͝ont tso͝om shtīn [key], 1757–1831, Prussian statesman and reformer. Rising through the Prussian bureaucracy, he became minister of commer...

protective coloration

(Encyclopedia)protective coloration, coloration or color pattern of an animal that affords it protection from observation either by its predators or by its prey. The most widespread form of protective coloration is...

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...