insulantadj.n.

Etymology: < assumed Latin *insulāre + -ant suffix¹.Previous versions of the OED give the stress as: ˈinsulant.

†A. adj.

Insulating (electrically). Obsolete. rare.

ΘΚΠ

the world > matter > physics > electromagnetic radiation > electricity > transmission of electricity, conduction > non-conduction, insulation > [adjective]

non-conducting1751

insulating1767

insulant1803

dielectric1863

1803 Med. & Physical Jrnl. 9 239 Which so modifies the carbon as to produce a substance totally insulant.

B. n.

Any substance or medium which insulates (electrically, thermally, etc.).

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 > electromagnetic radiation > heat > transmission of heat > [noun] > failure to conduct > substance causing

non-conductor1751

insulator1801

insulant1959

the world > matter > physics > science of sound > sound-waves > [noun] > insulation against > that which provides

insulation1927

insulator1927

insulant1971

1934 in Webster's New Internat. Dict. Eng. Lang.

1946 Electronic Engin. 18 280/1 The growth of the electronics and high frequencies industries has been phenomenal. With this growth there has been a demand for more efficient insulants.

1959 Times 27 Apr. (Rubber Industry Suppl.) p. viii/5 The best thermal insulant is a vacuum.

1959 Times 27 Apr. (Rubber Industry Suppl.) p. viii/5 Most thermal insulants..work on the principle of trapped air.

1971 Engineering Apr. 112/1 (advt.) A dense yet feather-light carpet of pure mineral fibre... A natural thermal and acoustic insulant.

This entry has not yet been fully updated (first published 1900; most recently modified version published online June 2019).

单词	insulant
释义	insulantadj.n. Etymology: < assumed Latin insulāre + -ant suffix¹.Previous versions of the OED give the stress as: ˈinsulant. †A. adj. Insulating (electrically). Obsolete. rare. ΘΚΠ the world > matter > physics > electromagnetic radiation > electricity > transmission of electricity, conduction > non-conduction, insulation > [adjective] non-conducting1751 insulating1767 insulant1803 dielectric1863 1803 Med. & Physical Jrnl.* 9 239 Which so modifies the carbon as to produce a substance totally insulant. B. n. Any substance or medium which insulates (electrically, thermally, etc.). 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 > electromagnetic radiation > heat > transmission of heat > [noun] > failure to conduct > substance causing non-conductor1751 insulator1801 insulant1959 the world > matter > physics > science of sound > sound-waves > [noun] > insulation against > that which provides insulation1927 insulator1927 insulant1971 1934 in Webster's New Internat. Dict. Eng. Lang. 1946 Electronic Engin. 18 280/1 The growth of the electronics and high frequencies industries has been phenomenal. With this growth there has been a demand for more efficient insulants. 1959 Times 27 Apr. (Rubber Industry Suppl.) p. viii/5 The best thermal insulant is a vacuum. 1959 Times 27 Apr. (Rubber Industry Suppl.) p. viii/5 Most thermal insulants..work on the principle of trapped air. 1971 Engineering Apr. 112/1 (advt.) A dense yet feather-light carpet of pure mineral fibre... A natural thermal and acoustic insulant. This entry has not yet been fully updated (first published 1900; most recently modified version published online June 2019). < adj.n.1803
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