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incombustible

[ in-kuhm-buhs-tuh-buhl ]
/ ˌɪn kəmˈbʌs tə bəl /
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adjective

not combustible; incapable of being burned; fireproof.

noun

an incombustible substance.

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Origin of incombustible

First recorded in 1425–75; late Middle English word from Medieval Latin word incombustibilis.See in-3, combustible

OTHER WORDS FROM incombustible

in·com·bus·ti·bil·i·ty, in·com·bus·ti·ble·ness, nounin·com·bus·ti·bly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

Example sentences from the Web for incombustible

British Dictionary definitions for incombustible

incombustible
/ (ˌɪnkəmˈbʌstəbəl) /

adjective

not capable of being burnt; fireproof

noun

an incombustible object or material

Derived forms of incombustible

incombustibility or incombustibleness, nounincombustibly, adverb
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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