combustible

 
Pronunciation: /kəmˈbʌstɪb(ə)l/

adjective

  • able to catch fire and burn easily: a combustible gas
  • excitable; easily annoyed: a volatile and combustible personality

noun

  • a combustible substance.

Derivatives

combustibility

Pronunciation: /-ˈbɪlɪti/
noun

Origin:

early 16th century: from Old French, from late Latin combustibilis, from Latin combust- 'burnt up', from the verb comburere

Spelling help

Remember that the ending of combustible is spelled -ible.