INSULATOR

insulator, dielectric, nonconductor

(noun) a material such as glass or porcelain with negligible electrical or thermal conductivity

Source: WordNet® 3.1

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Etymology

Noun

insulator (plural insulators)

A substance that does not transmit heat (thermal insulator), sound (acoustic insulator) or electricity (electrical insulator).

A non-conductive structure, coating or device that does not transmit sound, heat or electricity (see image)

A person who installs insulation.

Synonyms

• (substance) insulant

• isolation

Antonyms

• conductor

Source: Wiktionary

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In"su*la`tor, n.

1. One who, or that which, insulates.

2. (Elec. & Thermotics)

Definition: The substance or body that insulates; a nonconductor.

Source: Webster’s Unabridged Dictionary 1913 Edition

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