| 单词 | coil |
| 释义 | coil (once / 324 pages) nv A coil is a spiral shape or a series of circles, each one inside another. You might see a coil of rope on a dock or coils of hair in a fancy hairdo. A snake naturally curls its body into a coil, and the end of a whip after it's been cracked tends to form a coil. To move in this way is also to coil, as when your cat coils around your leg or you coil a necklace around your finger. This verb form is the earliest meaning of coil, from the Middle French coillir, "to gather," with the Latin root colligere, "to gather together." WORD FAMILYcoil: coiled, coiling, coils, recoil, uncoil+/recoil: recoiled, recoiling, recoilless, recoils/uncoil: uncoiled, uncoiling, uncoils USAGE EXAMPLESThe majority of the issues that shuffled off their mortal coil were some combination of uninspired, unloved, unlucky and unfortunate, and deserved their fate. Seattle Times(Dec 31, 2016) The local artist began by twisting these coils and coloring them black with a mix of ink and glue. Washington Post(Dec 15, 2016) "A coiled spring of money flow may need to shift back over to biotech." Reuters(Dec 06, 2016) 1n a round shape formed by a series of concentric circles (as formed by leaves or flower petals) Syn|Hypo|Hyper curl, curlicue, gyre, ringlet, roll, scroll, whorl corolla (botany) the whorl of petals of a flower that collectively form an inner floral envelope or layer of the perianth calyx(botany) the whorl of sepals of a flower collectively forming the outer floral envelope or layer of the perianth enclosing and supporting the developing bud; usually green verticila whorl of leaves growing around a stem hullpersistent enlarged calyx at base of e.g. a strawberry or raspberry pappuscalyx composed of scales or bristles or featherlike hairs in plants of the Compositae such as thistles and dandelions round shape a shape that is curved and without sharp angles 2n a structure consisting of something wound in a continuous series of loops a coil of rope Syn|Hypo|Hyper helix, spiral, volute, whorl hank a coil of rope or wool or yarn skeincoils of worsted yarn construction, structure a thing constructed; a complex entity constructed of many parts 3n tubing that is wound in a spiral Hypo|Hyper condenser a hollow coil that condenses by abstracting heat tube, tubing conduit consisting of a long hollow object (usually cylindrical) used to hold and conduct objects or liquids or gases 4n reactor consisting of a spiral of insulated wire that introduces inductance into a circuit Hypo|Hyper armature coil in which voltage is induced by motion through a magnetic field astatic coilsan arrangement of coils used in sensitive electrical instruments; the coils are arranged to give zero resultant external magnetic field when a current passes through them and to have zero electromotive force induced in them by an external magnetic field choke, choke coil, choking coila coil of low resistance and high inductance used in electrical circuits to pass direct current and attenuate alternating current field coil, field windingthe electric coil around a field magnet that produces the magneto motive force to set up the flux in an electric machine induction coila coil for producing a high voltage from a low-voltage source primary, primary coil, primary windingcoil forming the part of an electrical circuit such that changing current in it induces a current in a neighboring circuit head, read/write head(computer science) a tiny electromagnetic coil and metal pole used to write and read magnetic patterns on a disk secondary, secondary coil, secondary windingcoil such that current is induced in it by passing a current through the primary coil solenoida coil of wire around an iron core; becomes a magnet when current passes through the coil tickler coila small coil in series with the anode of a vacuum tube and coupled to the grid to provide feedback ignition coilan induction coil that converts current from a battery into the high-voltage current required by spark plugs rotor, rotor coilthe rotating armature of a motor or generator spark coilan induction coil used to create sparks reactor an electrical device used to introduce reactance into a circuit 5n a contraceptive device placed inside a woman's womb Hyper birth control device, contraceptive, contraceptive device, preventative, preventive, prophylactic device an agent or device intended to prevent conception 6n a transformer that supplies high voltage to spark plugs in a gasoline engine Hyper transformer an electrical device by which alternating current of one voltage is changed to another voltage 7v wind or move in a spiral course the muscles and nerves of his fine drawn body were coiling for action black smoke coiling up into the sky Syn|Hyper gyrate, spiral turn change orientation or direction, also in the abstract sense 8v make without a potter's wheel Syn|Hyper hand-build, handbuild forge, form, mold, mould, shape, work make something, usually for a specific function 9v wind around something in coils or loops Syn|Ant|Hyper curl, loop uncoil unwind or untwist roll, twine, wind, wrap arrange or or coil around |
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