Associations to the word «Insulator»

Wiktionary

INSULATOR, noun. A substance that does not transmit heat (thermal insulator), sound (acoustic insulator) or electricity (electrical insulator).
INSULATOR, noun. A non-conductive structure, coating or device that does not transmit sound, heat or electricity (see image)

Dictionary definition

INSULATOR, noun. A material such as glass or porcelain with negligible electrical or thermal conductivity.

Wise words

A word is not a crystal, transparent and unchanged; it is the skin of a living thought and may vary greatly in color and content according to the circumstances and time in which it is used.
Oliver Wendell Holmes, Jr.