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air embolism

(Encyclopedia)air embolism: see embolus.

air lock

(Encyclopedia)air lock, compartment connecting two different environments, usually at different pressures, that enables personnel to transfer from one environment to the other. Space capsules have air locks to enab...

air mass

(Encyclopedia)air mass, large body of air within the earth's atmosphere in which temperature and humidity, although varying at different heights, remain similar throughout the body at any one height. Air masses for...

Aïr Massif

(Encyclopedia)Aïr Massif or Aïr Mountains, Africa: see Sahara. ...

air navigation

(Encyclopedia)air navigation, science and technology of determining the position of an aircraft with respect to the surface of the earth and accurately maintaining a desired course (see navigation). Basic to air ...

air plant

(Encyclopedia)air plant: see epiphyte.

air-cushion vehicle

(Encyclopedia)CE5 Air-cushion vehicle: In vehicles modified with a trunk or skirt (A), the rate of leakage is reduced and less power is needed to maintain the cushion. Vehicles designed to travel over deep water...

White Sands

(Encyclopedia)White Sands, uninhabited desert area, S central N.Mex. It is a center for U.S. military-weapons research and testing. On July 16, 1945, the first atomic bomb was exploded at Holloman Air Force Base (f...

Cocoa, city, United States

(Encyclopedia)Cocoa, city (2020 pop. 19,041), Brevard co., E Fla., on the Indian River (a lagoon), a segment of the Intracoastal Waterway; inc. 1895. It is a tourist ...

Warrensburg

(Encyclopedia)Warrensburg, city (1990 pop. 15,244), seat of Johnson co., W Mo.; settled 1833, inc. as a city 1855. The city is situated in a dairy and farm region that principally raises wheat, corn, sorghum, and c...