v.
Pronunciation: ' def-l ə - ˌ gr ā t
Function: verb
Inflected Form: -grat · ed ; -grat · ing
Etymology: Latin deflagratus, past participle of deflagrare to burn down, from de- + flagrare to burn ― more at BLACK
Date: circa 1727
transitive verb : to cause to deflagrate ― compare DETONATE 1
intransitive verb : to burn rapidly with intense heat and sparks being given off
– def · la · gra · tion \ ˌ def-l ə - ' gr ā -sh ə n \ noun