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insulant

American  
[in-suh-luhnt, ins-yuh-] / ˈɪn sə lənt, ˈɪns yə- /

noun

  1. an insulating material, as used in building trades.

Etymology

Origin of insulant

First recorded in 1930–35; insul(ate) + -ant

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

“We will try to persuade lawmakers that flammable material should no longer be allowed to be used as an insulant, only mineral material that can’t burn, ensuring that it’s no longer possible for a fire to spread via the cladding,” he told Der Spiegel.

From The Guardian

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.