terrestrial meridian

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• terrestrial meridian — noun : meridian 4a …   Useful english dictionary

• meridian — Synonyms and related words: Antarctic Zone, Arctic Circle, Arctic Zone, Frigid Zones, Lambert conformal projection, Mercator projection, Miller projection, Torrid Zone, Tropic of Cancer, Tropic of Capricorn, Variable Zones, acmatic, acme,… …   Moby Thesaurus

• Terrestrial poles — Pole Pole, n. [L. polus, Gr. ? a pivot or hinge on which anything turns, an axis, a pole; akin to ? to move: cf. F. p[^o]le.] 1. Either extremity of an axis of a sphere; especially, one of the extremities of the earth s axis; as, the north pole.… …   The Collaborative International Dictionary of English

• meridian — n. & adj. n. 1 a circle passing through the celestial poles and zenith of any place on the earth s surface. 2 a a circle of constant longitude, passing through a given place and the terrestrial poles. b the corresponding line on a map. 3 archaic… …   Useful english dictionary

• Meridian — n. & adj. n. 1 a circle passing through the celestial poles and zenith of any place on the earth s surface. 2 a a circle of constant longitude, passing through a given place and the terrestrial poles. b the corresponding line on a map. 3 archaic… …   Useful english dictionary

• Prime Meridian — 0° Prime Meridian …   Wikipedia

• Digital terrestrial television in the United Kingdom — encompasses over 100 television, radio and interactive services broadcast via the UK s terrestrial television network and receivable with a standard television aerial. The majority of services, including those from the existing five analogue… …   Wikipedia

• day — /day/, n. 1. the interval of light between two successive nights; the time between sunrise and sunset: Since there was no artificial illumination, all activities had to be carried on during the day. 2. the light of day; daylight: The owl sleeps… …   Universalium

• Arago, François — (1786 1853)    astronomer, physicist, political figure    Born in Estagel, Pyrénées Orientales, François Arago, through the influence of pierre simon laplace, was appointed secretary of the Bureau of Longitudes. In 1806, with jean baptiste… …   France. A reference guide from Renaissance to the Present

• МЕРИДИАН ЗЕМНОЙ — (Terrestrial meridian) большой круг, мысленно проведенный через оба полюса Земли. Первый меридиан разделяет землю на Восточное и Западное полушария. Самойлов К. И. Морской словарь. М. Л.: Государственное Военно морское Издательство НКВМФ Союза… …   Морской словарь

• lunar day — a division of time that is equal to the elapsed time between two consecutive returns of the same terrestrial meridian to the moon. [1680 90] * * * …   Universalium