incombustible

[in-kuhm-buhs-tuh-buhl]

in·com·bus·ti·ble

[in-kuhm-buhs-tuh-buhl]
adjective
1.
not combustible; incapable of being burned; fireproof.
noun
2.
an incombustible substance.

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Incombustible has a plethora of syllables.
So is pneumonoultramicroscopicsilicovolcanoconiosis. Does it mean:
an obscure term ostensibly referring to a lung disease caused by silica dust, sometimes cited as one of the longest words in the English language.
opposition to the withdrawal of state support or recognition from an established church, esp. the Anglican Church in 19th-century England.

Origin:
1425–75; late Middle English < Medieval Latin incombustibilis. See in-3, combustible

in·com·bus·ti·bil·i·ty, in·com·bus·ti·ble·ness, noun
in·com·bus·ti·bly, adverb
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
Cite This Source Link To incombustible
Collins
World English Dictionary
incombustible (ˌɪnkəmˈbʌstəbəl)
 
adj
1.  not capable of being burnt; fireproof
 
n
2.  an incombustible object or material
 
incombusti'bility
 
n
 
incom'bustibleness
 
n
 
incom'bustibly
 
adv

Collins English Dictionary - Complete & Unabridged 10th Edition
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