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smoke

(Encyclopedia)smoke, visible gaseous product of incomplete combustion. Smoke varies with its source, but it usually comprises hot gas and suspended particles of carbon and tarry substances, or soot. To reduce the a...

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 on the up-strok...

Maine, Gulf of

(Encyclopedia)Maine, Gulf of, part of the Atlantic Ocean, between SE Maine and SW Nova Scotia, at the entrance of the Bay of Fundy. The area is noted for its scenery and fishing. Overfishing and pollution led to th...

Galion

(Encyclopedia)Galion gălˈyən [key], city (2020 pop. 10,453), Crawford co., N central Ohio; inc. as a bor...

Ichihara

(Encyclopedia)Ichihara ēchēˈhärä [key], city, Chiba prefecture, central Honshu, Japan, on Tokyo Bay. Part ...

Kabwe

(Encyclopedia)Kabwe käbˈwā [key], formerly Broken Hill, city (1990 pop. 166,519), central Zambia. During the 20th cent. it was an important lead and zinc mining and smelting center. As a result, the area suffers...

Akashi

(Encyclopedia)Akashi äˌkäˈshē [key], city, Hyogo prefecture, W Honshu, Japan, on the Harima Sea and the Akashi Strait. Overfishing and marine pollution have hurt what was formerly ...

Great South Bay

(Encyclopedia)Great South Bay, arm of the Atlantic Ocean, c.45 mi (72 km) long, between the southern shore of Long Island and offshore barrier islands, SE N.Y. With the rapid population growth along its shores, the...

Cyclades

(Encyclopedia)Cyclades sīˈklədēz [key], Gr. Kikládhes [Gr.,=circular], island group, c.1,000 sq mi (2,...

Taj Mahal

(Encyclopedia)Taj Mahal täzh məhälˈ, täj məhŭlˈ [key], mausoleum, Agra, Uttar Pradesh state, N India, on the Yamuna River. It is considered one of the most beautiful buildings in the world and the finest ex...