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vault

(Encyclopedia)CE5 Vaults vault, ceiling over a room, formed in any one of a variety of curved shapes. The architects of the Renaissance and baroque periods abandoned Gothic methods and returned to Roman vault...

New York, city, United States

(Encyclopedia)New York, city (2020 pop. 8,336,817), land area 304.8 sq mi (789.4 sq km), SE N.Y., largest city in the United States and one of the largest in the worl...

local government

(Encyclopedia)local government, political administration of the smallest subdivisions of a country's territory and population. The British system of local government, which has been the model for most of that cou...

SETI

(Encyclopedia)SETI sĕtˈē [key] [Search for ExtraTerrestrial Intelligence], name given to a series of independent programs to detect radio signals from civilizations beyond the solar system. Modern SETI efforts c...

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...

Gibraltar

(Encyclopedia)Gibraltar jĭbrôlˈtər [key], British overseas territory (2015 est. pop. 34,000), 2.5 sq mi (6.5 sq km), on a narrow, rocky peninsula extending into the Mediterranean Sea from SW Spain. Most of the ...

aerodynamics

(Encyclopedia)aerodynamics, study of gases in motion. As the principal application of aerodynamics is the design of aircraft, air is the gas with which the science is most concerned. Although aerodynamics is primar...

Brooklyn

(Encyclopedia)Brooklyn bro͝okˈlĭn [key], borough of New York City (2020 pop. 2,736,074), 71 sq mi (184 sq ...

modem

(Encyclopedia)modem [modulator/demodulator], an external device or internal electronic circuitry used to transmit and receive digital data over a communications line normally used for analog signals. A modem attach...

Mekong

(Encyclopedia)Mekong māˈkŏng, mēˈ– [key], Chinese Lancang, one of the great rivers of SE Asia, c.2,600 mi (4,180 km) long. From its marshy source (definitively identified in 1994) on the Rup-sa Pass in the h...