COMBUSTION /kəmˈbʌs.tʃən/ ► audio Scrabble 16 Words With Friends 21 Definition noun a process in which a substance reacts with oxygen to give heat and light. — synonyms: burning noun a state of violent disturbance and excitement. noun the act of burning something. — synonyms: burning See all 328 words you can make from COMBUSTION → 10-letter words Words starting with C Words ending with N ← Unscramble different letters