insulationn.
/ɪnsjuːˈleɪʃən/ 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.
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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.
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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.
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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.
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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.
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1889 Edison in Daily News 7 Nov. 5/7 The operation of time upon the insulation material which surrounds these wires.
insulation meter n.
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1909 Cent. Dict. Suppl. Insulation-meter.
insulation resistance n.
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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.
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1920 Talking Machine News & Jrnl. Amusements Feb. 77/2 Electrical insulation tape in a metal horn.
insulation test n.
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1903 Whittaker's Electr. Engineer's Pocket-bk. 276 (heading) Insulation tests.
insulation tester n.
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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).
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