WordReference Random House Unabridged Dictionary of American English © 2026
non•com•bus•ti•ble
(non′kəm bus′tə bəl),USA pronunciation adj.
n.
non′com•bus′ti•bil′i•ty, n.
- Physicsnot flammable.
n.
- Physicsa noncombustible substance.
- non- + combustible 1965–70
'noncombustible' also found in these entries (note: many are not synonyms or translations):