Nonflammable Definition
 nŏn-flămə-bəl 
    adjective
  
 Not flammable, especially not readily ignited and not rapidly burned.
 American Heritage 
Not combustible.
Wiktionary 
Not easily set on fire.
 Wiktionary 
    noun
  
 Any nonflammable substance.
 Wiktionary 
Other Word Forms of Nonflammable
Noun
Singular:
 nonflammablePlural:
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