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diesel engine

(Encyclopedia) diesel engine, type of internal-combustion engine invented by the German engineer Rudolf Diesel and patented by him in 1892. Although his engine was designed to use coal dust as fuel,…

tetraethyl lead

(Encyclopedia) tetraethyl leadtetraethyl leadtĕtˌrəĕthˈəl [key], (C2H5)4Pb, viscous, colorless, poisonous liquid. It is an organometallic compound prepared by reacting ethyl chloride with a sodium-…

fuel injection

(Encyclopedia) fuel injection, system in an internal-combustion engine that delivers fuel or a fuel-air mixture to the cylinders by means of pressure from a pump. It was originally used in diesel…

Stirling engine

(Encyclopedia) Stirling engine, an external combustion reciprocating engine having an enclosed working fluid that is alternately compressed and expanded to operate a piston, thus converting heat from…

internal-combustion engine

(Encyclopedia) CE5 Internal-combustion engines: In the four-stroke reciprocating engine (above), a mixture of fuel and air is taken into the chamber on the down-stroke of the piston, is compressed…

Bracknell

(Encyclopedia) BracknellBracknellbrăkˈnəl [key], town, Bracknell Forest, S England. Bracknell was designated one of the new towns in 1949, in order to alleviate overpopulation in London. In 1949,…

natural gas

(Encyclopedia) natural gas, natural mixture of gaseous hydrocarbons found issuing from the ground or obtained from specially driven wells. The composition of natural gas varies in different…

Muskegon, city, United States

(Encyclopedia) MuskegonMuskegonməskēˈgən [key], city (1990 pop. 40,283), seat of Muskegon co., W Mich., on Lake Michigan; inc. as a city 1869. A port of entry, the city is a car-ferry terminus and a…