intumescent
adjective
in·tu·mes·cent
ˌin-tü-ˈme-sᵊnt 
-tyü-
of paint
: swelling and charring when exposed to flame
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“Intumescent.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/intumescent. Accessed 17 Dec. 2024.
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intumescent
adjective
in·tu·mes·cent
-ᵊnt
: marked by intumescence
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