non-conductorn.

Brit.

/ˌnɒnkənˈdʌktə/, U.S.

/ˌnɑnkənˈdəktər/

Origin: Formed within English, by derivation. Etymons: non- prefix, conductor n.

Etymology: < non- prefix + conductor n.

A substance or object that does not permit the passage of some form of energy (as heat or electricity). Also figurative.

ΘΚΠ

the world > matter > physics > electromagnetic radiation > heat > transmission of heat > [noun] > failure to conduct > substance causing

non-conductor1751

insulator1801

insulant1959

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

1751 B. Franklin Let. 31 Oct. in Papers (1961) IV. 203 The Terms Electric per se and Non Electric should be laid aside as improper..the Terms Conductors and Non-Conductors may supply their Place.

1761 Philos. Trans. 1760 (Royal Soc.) 51 896 Wood, properly dried, till it becomes very brown, is a non-conductor of electricity.

1799 R. R. Livingston Let. 26 Jan. in T. Jefferson Papers (2003) XXX. 655 The cylinder is of wood, & may be lined & covered with blankets..or any other non conductor.

1809 Philos. Trans. (Royal Soc.) 97 36 Sulphur is a nonconductor.

1858 Harper's Mag. Apr. 714/2 One of them asking why the lightning-rod..was incased in a piece of horn, the Colonel replied that horn was a non-conductor.

1890 Nature 16 Oct. 601 Volcanic ash..forms one of the most effective non-conductors known.

1910 Blackwood's Mag. Jan. 43/1 You know how lost and abstracted one feels after being alone on an expedition; one is a non-conductor; one has lost touch.

1944 Ann. Math. 45 741 The flow of heat in an infinite rod whose surface is a non-conductor.

1961 C. S. Lewis Grief Observed i. 11 I cannot talk to the children about her. The moment I try, there appears on their faces..the most fatal of all non-conductors, embarrassment.

1994 Rev. Sci. Instruments 65 1002 Verification of the waveguide fixture was accomplished by measuring the shielding effectiveness of a good conductor, copper; a nonconductor, Teflon; and two intermediate conductors.

This entry has been updated (OED Third Edition, December 2003; most recently modified version published online March 2022).

单词	non-conductor
释义	non-conductorn. Brit. /ˌnɒnkənˈdʌktə/, U.S. /ˌnɑnkənˈdəktər/ Origin: Formed within English, by derivation. Etymons: non- prefix, conductor n. Etymology: < non- prefix + conductor n. A substance or object that does not permit the passage of some form of energy (as heat or electricity). Also figurative. ΘΚΠ the world > matter > physics > electromagnetic radiation > heat > transmission of heat > [noun] > failure to conduct > substance causing non-conductor1751 insulator1801 insulant1959 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 1751 B. Franklin Let. 31 Oct. in Papers (1961) IV. 203 The Terms Electric per se and Non Electric should be laid aside as improper..the Terms Conductors and Non-Conductors may supply their Place. 1761 Philos. Trans. 1760 (Royal Soc.) 51 896 Wood, properly dried, till it becomes very brown, is a non-conductor of electricity. 1799 R. R. Livingston Let. 26 Jan. in T. Jefferson Papers (2003) XXX. 655 The cylinder is of wood, & may be lined & covered with blankets..or any other non conductor. 1809 Philos. Trans. (Royal Soc.) 97 36 Sulphur is a nonconductor. 1858 Harper's Mag. Apr. 714/2 One of them asking why the lightning-rod..was incased in a piece of horn, the Colonel replied that horn was a non-conductor. 1890 Nature 16 Oct. 601 Volcanic ash..forms one of the most effective non-conductors known. 1910 Blackwood's Mag. Jan. 43/1 You know how lost and abstracted one feels after being alone on an expedition; one is a non-conductor; one has lost touch. 1944 Ann. Math. 45 741 The flow of heat in an infinite rod whose surface is a non-conductor. 1961 C. S. Lewis Grief Observed i. 11 I cannot talk to the children about her. The moment I try, there appears on their faces..the most fatal of all non-conductors, embarrassment. 1994 Rev. Sci. Instruments 65 1002 Verification of the waveguide fixture was accomplished by measuring the shielding effectiveness of a good conductor, copper; a nonconductor, Teflon; and two intermediate conductors. This entry has been updated (OED Third Edition, December 2003; most recently modified version published online March 2022). < n.1751
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