单词 | dielectric |
释义 | dielectric[ dahy-i-lek-trik ] / ˌdaɪ ɪˈlɛk trɪk / nouna nonconducting substance; insulator. a substance in which an electric field can be maintained with a minimum loss of power. adjectiveof or relating to a dielectric substance. Origin of dielectricFirst recorded in 1830–40; di-3 + electric OTHER WORDS FROM dielectricdi·e·lec·tri·cal·ly, adverbWords nearby dielectricdie-hard, die in harness, diel, die laughing, dieldrin, dielectric, dielectric constant, dielectric heating, dielectric lens, dielectric loss, dielectric strength Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for dielectricBritish Dictionary definitions for dielectricdielectric / (ˌdaɪɪˈlɛktrɪk) / nouna substance or medium that can sustain a static electric field within it a substance or body of very low electrical conductivity; insulator adjectiveof, concerned with, or having the properties of a dielectric Derived forms of dielectricdielectrically, adverbWord Origin for dielectricfrom dia- + electric Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Cultural definitions for dielectricdielectric [ (deye-i-lek-trik) ] A material that conducts (see conduction) electricity poorly or not at all. If a voltage is applied to a dielectric, the atoms in the material arrange themselves in such a way as to oppose the flow of electric current (see also current). Glass, wood, and plastic are common dielectrics. (See insulator.) The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. Scientific definitions for dielectricdielectric [ dī′ĭ-lĕk′trĭk ] AdjectiveHaving little or no ability to conduct electricity, generally as a result of having no electrons that are free to move. NounA dielectric substance, especially one used in a capacitor to maintain an electric field between the plates. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
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