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Incapable of burning.
An incombustible object or material.

in′com·bus′ti·bil′i·ty n.
in′com·bus′ti·bly adv.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
References in periodicals archive ?
"[Our design] represents a proven solution for the recycling of plastic, and it perfectly conforms to current industry standards for flooring products in terms of durability and incombustibility," Laalej said.
According to a previous study, the incombustibility of PCM varies depending on the polymer type and unit polymer content.
This is because the incombustibility nanoparticles distributed on the surface of bamboo-wood hybrid scrimber delayed the time to burn.