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marine engine

(Encyclopedia) marine engine, machine for the propulsion of watercraft. The earliest marine power plants, reciprocating steam engines, were used almost exclusively until the early 1900s. In later…

lepton

(Encyclopedia) leptonleptonlĕpˈtŏnˌ [key] [Gr.,=light (i.e., lightweight)], class of elementary particles that includes the electron and its antiparticle, the muon and its antiparticle, the tau and…

Kissinger, Henry Alfred

(Encyclopedia) Kissinger, Henry Alfred Kissinger, Henry Alfred kĭsˈənjər [key], 1923–2023, American political…

safety movement

(Encyclopedia) safety movement, widespread effort to prevent accidents that followed the increasing number of casualties in industry, traffic and transportation, and homes arising out of the…

Fukushima

(Encyclopedia) Fukushima Fukushima f&oobreve;k&oomacr;ˈshĭmä [key], city, capital of Fukushima prefecture, N…

Moral Majority

(Encyclopedia) Moral Majority, U.S. political action group composed of conservative, fundamentalist Christians. Founded (1979) and led (1979–87) by evangelist Rev. Jerry Falwell, the group played a…

New York, State University of

(Encyclopedia) New York, State University of, est. 1948 by the amalgamation under one board of trustees of 29 state-supported institutions. It now comprises all state-supported institutions of higher…

icebreaker

(Encyclopedia) icebreaker, ship of special hull design and wide beam, with relatively flat bottom, designed to force its way through ice. When the icebreaker charges into the ice at full speed, its…

Hartlepool

(Encyclopedia) Hartlepool Hartlepool härtˈlēp&oomacr;l, härtˈəl– [key], borough…

radiation weapon

(Encyclopedia) radiation weapon or radiological weapon, a bomb or warhead that uses conventional chemical explosives to disperse radioactive material, sometimes called a “dirty bomb.” Designed to…