adj.
Pronunciation: ˌ in-k ə m- ' b ə s-t ə -b ə l
Function: adjective
Etymology: Middle English, probably from Middle French, from in- + combustible combustible
Date: 15th century
: not combustible : incapable of being burned
– in · com · bus · ti · bil · i · ty \ - ˌ b ə s-t ə - ' bi-l ə -t ē \ noun
– incombustible noun