单词 | insulation |
释义 | insulationn. The action of insulating, the fact or condition of being insulated. 1. The action of surrounding by water or making into an island; the fact of being made insular. Also, an island. ΘΚΠ the world > the earth > land > land mass > island > [noun] islandc888 islec1290 insulation1848 the world > the earth > land > land mass > island > [noun] > making insulation1848 1848 E. Bryant What I saw in Calif. xi. 157 The waters surrounding these insulations could be traced between them as far as the eye could reach. 1851 T. Wright & G. F. Richardson Introd. Geol. (new ed.) ii. 21 The insulation of peninsulas by the destruction of the isthmus which previously connected them with the mainland. 1871 Scribner's Monthly 2 7 Their smooth sides, uniform width and height..considered in connection with the courses which had wrought their insulation, excited our wonder and admiration. 2. transferred and figurative. The action of placing apart or detaching from other things; the state or condition of standing alone or cut off; concrete an insulated object. ΘΚΠ society > society and the community > social relations > lack of social communication or relations > separation or isolation > [noun] sequestration1565 soleness1587 removednessa1616 sequestera1616 segregation1668 separation1685 insulation1798 isolation1833 social isolation1833 asideness1880 purdah1912 lockdown1984 the world > relative properties > wholeness > mutual relation of parts to whole > separation > [noun] > separation or isolation detachedness1768 insulation1798 isolation1833 detachment1862 1798 G. Wakefield Reply Bp. of Landaff's Addr. 4 An absolute insulation..from the reasonable benefits of society. 1829 I. Taylor Nat. Hist. Enthusiasm ix. 224 This sort of meditative insulation is the ultimate and natural issue of all enthusiastic piety. 1849 F. W. Robertson Serm. 1st Ser. xv. 221 There are two kinds of solitude: the first consisting of insulation in space. 3. a. The action of insulating electrically or physically; the condition of being isolated by non-conductors so as to prevent the passage of electricity, heat, or sound. Also the degree in which a body is insulated, as partial, imperfect, total insulation. ΘΚΠ the world > matter > physics > energy or power of doing work > [noun] > emission of energy > insulation insulation1767 the world > matter > physics > electromagnetic radiation > electricity > transmission of electricity, conduction > non-conduction, insulation > [noun] insulation1767 non-conduction1828 non-conductibility1844 potting1947 the world > matter > physics > electromagnetic radiation > heat > transmission of heat > [noun] > failure to conduct insulation1822 non-conduction1828 non-conductibility1844 resistance1871 the world > matter > physics > electromagnetic radiation > heat > transmission of heat > [noun] > failure to conduct > substance causing > use of insulation1822 the world > matter > physics > science of sound > sound-waves > [noun] > insulation against insulation1913 1767 J. Priestley Hist. & Present State Electr. 515 It is advisable that there should be no sharp edges or angles about the rubber [of the electrical machine], for that would make the insulation of it..ineffectual. 1822 T. Webster Imison's Elem. Sci. & Art (new ed.) I. 327 The upper end of the glass is covered and lined with sealing-wax..to make its insulation more perfect. 1827 M. Faraday Chem. Manip. xvii. 465 The insulation of substances is frequently required in electro-chemical investigation. 1876 W. H. Preece & J. Sivewright Telegraphy 265 Having ascertained the total insulation of the circuit, the insulation per mile is found by multiplying the total insulation by the mileage of line. 1896 Electr. Rev. 6 Mar. 41 Higher Voltage demands better insulation. 1913 Chem. Abstr. 7 689 (heading) Incombustible and refractory materials for insulation from sound, heat and cold. 1955 Oxf. Junior Encycl. VIII. 399/2 Double partitions, ..‘floating floors’,..and independent or suspended ceilings are all forms of construction used for sound insulation. 1972 L. L. Doelle Environm. Acoustics xiv. 173 Bare concrete slab..gives satisfactory insulation against airborne noises. b. concrete. Insulating or non-conductive material. ΘΚΠ the world > matter > physics > electromagnetic radiation > electricity > transmission of electricity, conduction > non-conduction, insulation > [noun] > substance or contrivance non-conductor1751 insulator1801 dielectric1837 bushing1839 insulation1870 sector1894 insulant1934 the world > matter > physics > science of sound > sound-waves > [noun] > insulation against > that which provides insulation1927 insulator1927 insulant1971 the world > matter > physics > electromagnetic radiation > heat > transmission of heat > [noun] > failure to conduct > substance causing > material planking1875 insulite1882 Micarta1912 loose-fill1950 insulation1969 1870 R. M. Ferguson Electricity 280 The insulation..consists of four layers of gutta-percha. 1892 Suppl. to Lightning 7 Jan. Insulation, insulating material put on to a conductor to prevent as far as possible the escape of electricity. 1927 A. H. Davis & G. W. C. Kaye Acoustics of Buildings ix. 171 Felt-like insulation may..be introduced into the..structure of the building, to assist in isolating noise. 1969 Sears, Roebuck Catal. Spring–Summer 963 Fiber glass insulation..keeps water hotter and jacket cooler. Compounds General attributive. insulation material n. ΚΠ 1889 Edison in Daily News 7 Nov. 5/7 The operation of time upon the insulation material which surrounds these wires. insulation meter n. ΚΠ 1909 Cent. Dict. Suppl. Insulation-meter. insulation resistance n. ΚΠ 1876 W. H. Preece & J. Sivewright Telegraphy 266 If, for instance, a wire gives 12°, the constant being 43°, 4387 will be the insulation resistance. insulation tape n. ΚΠ 1920 Talking Machine News & Jrnl. Amusements Feb. 77/2 Electrical insulation tape in a metal horn. insulation test n. ΚΠ 1903 Whittaker's Electr. Engineer's Pocket-bk. 276 (heading) Insulation tests. insulation tester n. ΚΠ 1923 Nature 13 Jan. 63/2 The ‘Meg’ insulation tester.., a remarkably light and cheap megger. This entry has not yet been fully updated (first published 1900; most recently modified version published online September 2021). < n.1767 |
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