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

Words are always getting conventionalized to some secondary meaning. It is one of the works of poetry to take the truants in custody and bring them back to their right senses.
William Butler Yeats