The quality or state of being easily set on fire or capable of being ignited.
From accendible (capable of being set on fire) + -ity (forming nouns from adjectives). Accendible comes from accend (Latin accendere, 'to kindle') + -ible (capable of being).
Chemistry and fire science use terms like accendibility to precisely describe which materials are dangerous—it's a more technical way of saying 'flammability' that emphasizes the ease with which something catches fire!
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