drift field

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• Drift-field transistor — The drift field transistor, also called the drift transistor or graded base transistor, is a type of high speed bipolar junction transistor having a doping engineered electric field in the base to reduce the charge carrier base transit time.… …   Wikipedia

• Drift Creek Wilderness — IUCN Category Ib (Wilderness Area) Drift Creek Location …   Wikipedia

• Drift current — In condensed matter physics and electrochemistry, drift current is the electric current, or movement of charge carriers, which is due to the applied electric field, often stated as the electromotive force over a given distance.When an electric… …   Wikipedia

• Drift velocity — The drift velocity is the average velocity that a particle, such as an electron, attains due to an electric field. It can also be referred to as Axial Drift Velocity since particles defined are assumed to be moving along a plane. In general, an… …   Wikipedia

• Drift (linguistics) — There are two types of linguistic drift, a unidirectional short term and cyclic long term drift. Contents 1 Short term unidirectional drift 2 Long term cyclic drift 3 See also …   Wikipedia

• drift — driftingly, adv. driftless, adj. driftlessness, n. /drift/, n. 1. a driving movement or force; impulse; impetus; pressure. 2. Navig. (of a ship) the component of the movement that is due to the force of wind and currents. 3. Oceanog. a broad,… …   Universalium

• drift — n. & v. n. 1 a slow movement or variation. b such movement caused by a slow current. 2 the intention, meaning, scope, etc. of what is said etc. (didn t understand his drift). 3 a large mass of snow, sand, etc., accumulated by the wind. 4 esp.… …   Useful english dictionary

• Field Museum of Natural History — FMNH redirects here. For the Florida Museum of Natural History, see FLMNH. Field Museum of Natural History U.S. National Register of Historic Places …   Wikipedia

• drift — Synonyms and related words: Brownian movement, Zeitgeist, aberrancy, aberration, accumulation, advance, aeroplane, affective meaning, affluence, afflux, affluxion, aim, airlift, airplane, alluvion, alluvium, amble, angular motion, anthill, army,… …   Moby Thesaurus

• drift space — noun The space in an electron tube in which there is no modulated field …   Wiktionary

• geomagnetic field — Magnetic field associated with the Earth. It is essentially dipolar (i.e., it has two poles, the northern and southern magnetic poles) on the Earth s surface. Away from the surface, the field becomes distorted. Most geomagnetists explain the… …   Universalium