| drift | Collectively, stream invertebrates (almost wholly the aquatic larval stages of insects) that voluntarily or accidentally leave the substrate to move or float with the current, as well as terrestrial invertebrates that drop into the stream. Also, any detrital material transported in the water current. (09 Oct 1997) |
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| drift cyclotron loss cone instabilities | (DCLC) This is an electrostatic microinstability (frequencies at harmonics of the ion cyclotron frequency) which is of major concern in small mirror devices. Mode is driven by radial gradients in the electron density, and causes loss of ions due to non-conservation of magnetic moment (see adiabatic invariant) as they interact with the mode, and are dispersed in velocity space into the loss cone. Stabilisation is accomplished by increasing the plasma size and by partially filling the loss cone with a continuous extermal warm plasma stream. (09 Oct 1997) |
| drift feeder | Fish and other predators that forage on invertebrates drifting on the water surface or in the water column. (09 Oct 1997) |
| drift line | An accumulation of water-carried debris along a contour or at the base of vegetation that provides direct evidence of prior inundation and often indicates the directional flow of flood waters. (09 Oct 1997) |
| drift motion | <radiobiology> Ordinarily particles placed in a magnetic field will simply orbit in circles, but if the magnetic field is not uniform, or curves, or there is an electrical field perpendicular to the magnetic field, or another force is applied perpendicular to the magnetic field, then the guiding centres of the particle orbits will drift (generally perpendicular to the magnetic field and to the applied force). (09 Oct 1997) |
| drift movements | Slow ocular movements of greater amplitude than flicks, occurring during ocular fixation. Synonym: drift movements. (05 Mar 2000) |
| drift pumping | <radiobiology> A process that removes ions trapped in a thermal barrier using radial transport induced by an externally-applied radiofrequency field tuned to resonate with the azimuthal drift frequency. (09 Oct 1997) |
| drift surface | <radiobiology> Surface on which the guiding centre of a particle is constrained to move, due to the effects of the laws of adiabatic invariance on its drift motion. (09 Oct 1997) |
| drift velocity | <radiobiology> Characteristic velocity at which the centre of a particle's orbit (guiding centre) drifts when drift motion (see above) occurs. (09 Oct 1997) |
| drift wave | <radiobiology> Oscillations in a magnetically-confined plasma arising in the presence of density gradients (such as at the plasma's surface). These resemble the waves that propagate at the interface of two fluids with different density in a gravitational field. (09 Oct 1997) |
| drifting | Random movement of a tooth to a position of greater stability. (05 Mar 2000) |
| driftpin | <mechanics> A smooth drift. See Drift. Source: Websters Dictionary (01 Mar 1998) |
| drifts | Slow ocular movements of greater amplitude than flicks, occurring during ocular fixation. Synonym: drift movements. (05 Mar 2000) |
| driftway | 1. A common way, road, or path, for driving cattle. 2. <chemical> Same as Drift. Source: Websters Dictionary (01 Mar 1998) |
| driftwood | 1. Wood drifted or floated by water. 2. Whatever is drifting or floating as on water. "The current of humanity, with its heavy proportion of very useless driftwood." (new Your Times) Source: Websters Dictionary (01 Mar 1998) |
| antigenic drift | <immunology> A change that occurs on the molecular level to effect a change in the antigenicity of a bacteria or virus. Antigenic drift occurs naturally and more rapidly in certain viruses (for example HIV). It is antigenic drift which complicates the development of an effective HIV (AIDS) vaccine. (27 Sep 1997) |
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| genetic drift | <genetics> The random change of the occurance of a particular gene in a population, genetic drift is thought to be one cause of speciation when a group oforganisms is separated from its parent population. (09 Oct 1997) |
| pure random drift | That which has random components only with an average value of zero and no systematic effects. Brownian movement in a still container shows pure random drift but in the Mississippi shows a steady downstream tendency. (05 Mar 2000) |
| drift |
float: be in motion due to some air or water current; "The leaves were blowing in the wind"; "the boat drifted on the lake"; "The sailboat was adrift on the open sea"; "the shipwrecked boat drifted away from the shore" stray: wander from a direct course or at random; "The child strayed from the path and her parents lost sight of her"; "don't drift from the set course" roll: move about aimlessly or without any destination, often in search of food or employment; "The gypsies roamed the woods"; "roving vagabonds"; "the wandering Jew"; "The cattle roam across the prairie"; "the laborers drift from one town to the next"; "They rolled from town to town" a force that moves something along vary or move from a fixed point or course; "stock prices are drifting higher" the gradual departure from an intended course due to external influences (as a ship or plane) freewheel: live unhurriedly, irresponsibly, or freely; "My son drifted around for years in California before going to law school" move in an unhurried fashion; "The unknown young man drifted among the invited guests" a process of linguistic change over a period of time cause to be carried by a current; "drift the boats downstream" something that is heaped up by the wind or by water currents a general tendency to change (as of opinion); "not openly liberal but that is the trend of the book"; "a broad movement of the electorate to the right" drive slowly and far afield for grazing; "drift the cattle herds westwards" be subject to fluctuation; "The stock market drifted upward" the pervading meaning or tenor; "caught the general drift of the conversation" a horizontal (or nearly horizontal) passageway in a mine; "they dug a drift parallel with the vein" be piled up in banks or heaps by the force of wind or a current; "snow drifting several feet high"; "sand drifting like snow"
출처: wordnet.princeton.edu/perl/webwn
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| drift |
a mine tunnel following the direction, or "drift," of a vein; opposite of a cross-cut.
출처: members.tripod.com/~mr_sedivy/colorado41.html
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| drift |
Description: See: genetic drift. Source: None
출처: europa.eu.int/comm/research/biosociety/library/glo...
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| drift |
The velocity of a current.
출처: www.terrax.org/sailing/glossary/gd.aspx
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| drift |
To deviate or vary from scheduled execution.
출처: developer.apple.com/documentation/mac/Processes/Pr...
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| drift | (mining) a horizontal (or nearly horizontal) passageway in a mine |
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| drift | general meaning or tenor |
| drift | a general tendency to change (as of opinion) |
| drift | something heaped up by the wind or current |
| drift | a force that moves something along |
| drift | the gradual departure from an intended course due to external influences (as a ship or plane) |
| drift | a process of linguistic change over a period of time |
| drift | be piled up in banks or heaps by the force of wind or a current |
| drift | be subject to fluctuation |
| drift | drive slowly and far afield for grazing |
| drift | cause to be carried by a current |
| drift | move about aimlessly or without any destination, often in search of food or employment |
제품명 |
판매사 |
보험코드 | 성분/함량 | 구분/보험급여 |
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제품명 |
판매사 |
보험코드 | 성분/함량 | 구분/보험급여 |
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