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Clovis

(Encyclopedia) Clovis. 1 City (2020 pop. 120,124, Fresno co., S central Calif., near the foothills of the Sierra Nevada range; inc. 1912. It is a…

argon

(Encyclopedia) argonargonärˈgŏn [key] [Gr.,=inert], gaseous chemical element; symbol Ar; at. no. 18; at. wt. 39.948; m.p. −189.2℃; b.p. −185.7℃; density 1.784 grams per liter at STP; valence 0. Argon…

cloud chamber

(Encyclopedia) cloud chamber, device used to detect elementary particles and other ionizing radiation. A cloud chamber consists essentially of a closed container filled with a supersaturated vapor, e…

caisson

(Encyclopedia) caissoncaissonkāˈsən, –sŏn [key] [Fr.,=big box], in engineering, a chamber, usually of steel but sometimes of wood or reinforced concrete, used in the construction of foundations or…

cloud

(Encyclopedia) CE5 Approximate heights of some types of clouds cloud, aggregation of minute particles of water or ice suspended in the air. Cloudiness (or proportion of the sky covered by any…

guided missile

(Encyclopedia) guided missile, self-propelled, unmanned space or air vehicle carrying an explosive warhead. Its path can be adjusted during flight, either by automatic self-contained controls or…

anticyclone

(Encyclopedia) anticyclone, region of high atmospheric pressure; anticyclones are commonly referred to as “highs.” The pressure gradient, or change between the core of the anticyclone and its…

safety lamp

(Encyclopedia) safety lamp, oil lamp designed for safe use in mines and other places where flammable gases such as firedamp (see damp) may be present. Its invention (c.1816) is usually attributed to…

airline industry

(Encyclopedia) airline industry, the business of transporting paying passengers and freight by air along regularly scheduled routes, typically by airplanes but also by helicopter. Ferdinand Graf von…

pilotage

(Encyclopedia) pilotage: see air navigation.