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geyser

(Encyclopedia)geyser gīˈzər [key] [Icel.], hot spring from which water and steam are ejected periodically to heights ranging from a few to several hundred feet. Notable geysers are found in Iceland, New Zealand,...

machine

(Encyclopedia)machine, arrangement of moving and stationary mechanical parts used to perform some useful work or to provide transportation. From a historical perspective, many of the first machines were the result ...

Cunard, Sir Samuel

(Encyclopedia)Cunard, Sir Samuel kyo͞onärdˈ [key], 1787–1865, Canadian pioneer of regular transatlantic steam navigation, b. Halifax, N.S. The son of a United Empire Loyalist, he became a leading businessman o...

truck

(Encyclopedia)truck, automotive vehicle designed primarily for the transportation of goods. A truck is constructed on the general lines of the automobile but uses larger and heavier parts. It may be powered by a ga...

catalytic converter

(Encyclopedia)catalytic converter: see internal-combustion engine. ...

water gas

(Encyclopedia)water gas, colorless poisonous gas that burns with an intensely hot, bluish (nearly colorless) flame. The gas is a mixture of carbon monoxide and hydrogen with very small amounts of other gases, e.g.,...

water power

(Encyclopedia)water power, mechanical energy derived from falling or flowing water, e.g., rivers, streams, and the overflow of dams. The wooden water wheel, long utilized for driving machinery in flour mills and fa...

Ikeda

(Encyclopedia)Ikeda, city, Osaka prefecture, S Honshu, Japan, on the Ina River. It is an industrial and residential suburb of Osaka with industries that include engin...

motorcycle

(Encyclopedia)motorcycle, motor vehicle whose design is based on the bicycle. The German inventor Gottlieb Daimler is generally credited with building the first practical motorcycle in 1885. The motorcycle did not ...

elevator, in machinery

(Encyclopedia)elevator, in machinery, device for transporting people or goods from one level to another. The term is applied to the enclosed structures as well as the open platforms used to provide vertical transpo...