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单词 poling
释义

poling

enUK

pole 1

P0408900 (pōl)n.1. Either extremity of an axis through a sphere.2. Either of the regions contiguous to the extremities of the earth's rotational axis, the North Pole or the South Pole.3. Physics See magnetic pole.4. Electricity Either of two oppositely charged terminals, as in an electric cell or battery.5. Astronomy See celestial pole.6. Biology a. Either extremity of the main axis of a nucleus, cell, or organism.b. Either end of the spindle formed in a cell during mitosis.c. The point on a nerve cell where a process originates.7. Either of two antithetical ideas, propensities, forces, or positions.8. A fixed point of reference.9. Mathematics a. The origin in a polar coordinate system; the vertex of a polar angle.b. A point in the complex plane at which a given function is not defined.
[Middle English, from Old French, from Latin polus, from Greek polos, axis, sky; see kwel- in Indo-European roots.]

pole 2

P0408900 (pōl)n.1. A long, relatively slender, generally rounded piece of wood or other material.2. The long tapering wooden shaft extending up from the front axle of a vehicle to the collars of the animals drawing it; a tongue.3. a. See rod.b. A unit of area equal to a square rod.4. Sports The inside position on the starting line of a racetrack: qualified in the time trials to start on the pole.v. poled, pol·ing, poles v.tr.1. a. To propel with a pole: boatmen poling barges up a placid river.b. To propel (oneself) or make (one's way) by the use of ski poles: "We ski through the glades on corn snow, then pole our way over a long one-hour runout to a road" (Frederick Selby).2. To support (plants) with a pole.3. To strike, poke, or stir with a pole.v.intr.1. To propel a boat or raft with a pole.2. To use ski poles to maintain or gain speed.
[Middle English, from Old English pāl, from Latin pālus, stake; see pag- in Indo-European roots.]

Pole

P0408900 (pōl)n.1. A native or inhabitant of Poland.2. A person of Polish ancestry.

IdiomsSeepole

poling

enUK

poling

[′pōl·iŋ] (electricity) Adjustment of polarity; specifically, in wire-line practice, the use of transpositions between transposition sections of open wire or between lengths of cable, to cause the residual cross-talk couplings in individual sections or lengths to oppose one another. (metallurgy) A technique used in the refining of copper that consists of the thrusting of green-wood poles into the molten metal in order to generate the reducing gases that react with the oxides in the metal. (mining engineering) The act or process of temporarily protecting the face of a level, drift, or cut by driving poles or planks along the sides of the yet unbroken ground.
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更新时间:2024/12/23 21:48:35