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cinéma vérité

(Encyclopedia)cinéma vérité, a style of filmmaking that attempts to convey candid realism. Often employing lightweight, hand-held cameras and sound equipment, it shows people in everyday situations and uses auth...

safety lamp

(Encyclopedia)safety lamp, oil lamp designed for safe use in mines and other places where flammable gases such as firedamp (see damp) may be present. Its invention (c.1816) is usually attributed to Sir Humphry Davy...

calcium hydroxide

(Encyclopedia)calcium hydroxide, Ca(OH)2, colorless crystal or white powder. It is prepared by reacting calcium oxide (lime) with water, a process called slaking, and is also known as hydrated lime or slaked lime. ...

George VI, king of Great Britain and Ireland

(Encyclopedia)George VI (Albert Frederick Arthur George), 1895–1952, king of Great Britain and Northern Ireland (1936–52), second son of George V; successor of his elder brother, Edward VIII. He attended the ro...

Falls Church

(Encyclopedia)Falls Church, independent city (2020 pop. 14,917), NE Va., a residential suburb of Washington, D.C.; inc. as a town 1875, as a city 1948. There is diver...

lyric

(Encyclopedia)lyric, in ancient Greece, a poem accompanied by a musical instrument, usually a lyre. Although the word is still often used to refer to the songlike quality in poetry, it is more generally used to ref...

hydrazine

(Encyclopedia)hydrazine hīˈdrəzēnˌ [key], chemical compound, formula NH2NH2, m.p. 1.4℃, b.p. 113.5℃, specific gravity 1.011 at 15℃. It is very soluble in water and soluble in alcohol. At ordinary tempera...

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