drift plate

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• plate tectonics — plate tectonic, adj. Geol. a theory of global tectonics in which the lithosphere is divided into a number of crustal plates, each of which moves on the plastic asthenosphere more or less independently to collide with, slide under, or move past… …   Universalium

• plate tectonics — noun plural but singular in construction Date: 1969 1. a theory in geology: the lithosphere of the earth is divided into a small number of plates which float on and travel independently over the mantle and much of the earth s seismic activity… …   New Collegiate Dictionary

• Drift pin — drift punch In metalworking, a drift pin, drift pin punch, or simply drift, is the name for a tool used for enlarging holes, or aligning holes prior to bolting or riveting metal parts together. A drift pin is not used as a punch in the… …   Wikipedia

• Drift — Drift, n. [From {drive}; akin to LG. & D. drift a driving, Icel. drift snowdrift, Dan. drift, impulse, drove, herd, pasture, common, G. trift pasturage, drove. See {Drive}.] 1. A driving; a violent movement. [1913 Webster] The dragon drew him… …   The Collaborative International Dictionary of English

• Drift of the forest — Drift Drift, n. [From {drive}; akin to LG. & D. drift a driving, Icel. drift snowdrift, Dan. drift, impulse, drove, herd, pasture, common, G. trift pasturage, drove. See {Drive}.] 1. A driving; a violent movement. [1913 Webster] The dragon drew… …   The Collaborative International Dictionary of English

• Drift City — Éditeur NHN Corporation, Arario Développeur NPLUTO Date de sortie (Sortie) …   Wikipédia en Français

• plate tectonics — plate tectonics, n. (Geol.) A geological theory which holds that the crust of the earth (the lithosphere) is divided into a small number of large separate plates which float and move slowly around on the more plastic asthenosphere, breaking apart …   The Collaborative International Dictionary of English

• plate tectonics — plate′ tecton′ics n. gel a geologic theory that describes the earth s crust as divided into a number of rigid plates, movement of which accounts for such phenomena as continental drift and the distribution of earthquakes • Etymology: 1965–70… …   From formal English to slang

• plate tectonics — n. Geol. the theory that the earth s surface consists of plates, or large crustal slabs, whose constant motion explains continental drift, mountain building, etc …   English World dictionary

• Plate tectonics — The tectonic plates of the world were mapped in the second half of the 20th century …   Wikipedia

• Drift Sight — This article is about the World War I bombsight. For the aircraft instrument for measuring wind speeds, see drift meter. A Mk. I Drift Sight mounted on the side of an Airco DH.4. The lever just in front of the bomb aimer s fingertips sets the… …   Wikipedia