deflagrateyoudaoicibaDictYouDict[deflagrate 词源字典]
"Burn or cause to burn away with a sudden flame and rapid, sharp combustion", Early 18th century: from Latin deflagrat- 'burnt up', from the verb deflagrare, from de- 'away, thoroughly' + flagrare 'to burn'.[deflagrate etymology, deflagrate origin, 英语词源]