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cathode-ray tube

(Encyclopedia)CE5 Cathode-ray tube cathode-ray tube (CRT), special-purpose electron tube in which electrons are accelerated by high-voltage anodes, formed into a beam by focusing electrodes, and projected towar...

Pacific Rim

(Encyclopedia)Pacific Rim, term used to describe the nations bordering the Pacific Ocean and the island countries situated in it. In the post–World War II era, the Pacific Rim has become an increasingly important...

Emancipation Proclamation

(Encyclopedia)Emancipation Proclamation, in U.S. history, the executive order abolishing slavery in the Confederate States of America. The proclamation did not reflect Lincoln's desired solution for the slavery p...

penicillin

(Encyclopedia)penicillin, any of a group of chemically similar substances obtained from molds of the genus Penicillium that were the first antibiotic agents to be used successfully in the treatment of bacterial inf...

air-cushion vehicle

(Encyclopedia)CE5 Air-cushion vehicle: In vehicles modified with a trunk or skirt (A), the rate of leakage is reduced and less power is needed to maintain the cushion. Vehicles designed to travel over deep water...

Duse, Eleonora

(Encyclopedia)Duse, Eleonora do͞oˈzə, Ital. ālāōnôˈrä do͞oˈzā [key], 1859–1924, Italian actress. From a theatrical family, she made a successful appearance at 14 as Juliet and in 1879 gained recogniti...

Doowop Music

(Encyclopedia) Doowop (also spelled doo-wop or doo wop) music, American popular vocal music style, c. late 1940s-early 1960s. Doowop is a form of vocal harmony mu...

cryptosporidium

(Encyclopedia)cryptosporidium krĭpˌtōspərĭdˈēəm [key], genus of protozoans having at least four species; they are waterborne parasites that cause the disease cryptosporidiosis. One of the species appears to...

chlorophyll

(Encyclopedia)CE5 chlorophyll klôrˈəfĭlˌ [key], green pigment that gives most plants their color and enables them to carry on the process of photosynthesis. Chemically, chlorophyll has several similar forms...

indictment

(Encyclopedia)indictment ĭndītˈmənt [key], in criminal law, formal written accusation naming specific persons and crimes. Persons suspected of crime may be rendered liable to trial by indictment, by presentment...