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Ctesibius

(Encyclopedia)Ctesibius tĭsĭbˈēəs [key], fl. 2d cent. b.c., Alexandrian Greek inventor. He reputedly was the first to discover and apply the expansive power of air as a motive force. Among the inventions ascri...

Geneva, city, United States

(Encyclopedia)Geneva, city (2020 pop. 12,812), Ontario co., W central N.Y., in the Finger Lakes region; inc. as a city 1897. Located in a farm area, Geneva's manufact...

Des Moines, river, United States

(Encyclopedia)Des Moines, river, 535 mi (861 km) long, rising in SW Minn. and flowing SE across Iowa to the Mississippi River at Keokuk, SE Iowa. Flowing through fertile farmland, the river floods in the spring and...

varve

(Encyclopedia)varve, in geology, pair of thin sedimentary layers formed annually by seasonal climatic changes. Usually found in glacial lake deposits, varves consist of a coarse-grained, light-colored summer deposi...

Doyle, Richard

(Encyclopedia)Doyle, Richard, 1824–83, English caricaturist, water colorist, and illustrator. He was the son and pupil of John Doyle, a popular caricaturist. His Journal (British Mus.), a book of sketches done at...

Elephant Butte Dam

(Encyclopedia)Elephant Butte Dam, main unit of the Rio Grande project of the U.S. Bureau of Reclamation on the Rio Grande, SW N.Mex.; completed 1916. The dam, with its large reservoir, is used for flood control, hy...

Andújar

(Encyclopedia)Andújar ändo͞oˈhär [key], city, Jaén prov., S Spain, in Andalusia, on the Guadalquivir River. Its pottery and its water-cooling jars made of porous stone are famous....

aquifer

(Encyclopedia)aquifer ăkˈwĭfər [key]: see artesian well; water supply. ...

julep

(Encyclopedia)julep jo͞olĭp [key] or mint julep, alcoholic beverage of the S United States. Its basis is properly bourbon whiskey, which is combined with water, sugar, crushed ice, and mint leaves. Juleps are som...

Wachusett Reservoir

(Encyclopedia)Wachusett Reservoir wôcho͞oˈsĭt [key], on the South Branch of the Nashua River, central Mass., NE of Worcester; built 1897–1905. Impounded by Wachusett Dam (completed 1906), it receives some of ...