- an intense fire over a large area, as one initiated by an atomic explosion, that is sustained and spread by the inrushing winds created by the strong draft of rising hot air
- a strong, often violent, outburst, disturbance, or upheaval
See firestorm in American Heritage Dictionary 4
- A fire of great size and intensity that generates and is fed by strong inrushing winds from all sides: the firestorm that leveled Hiroshima after the atomic blast.
- An intense or violent response: “The discovery that your child has a learning disorder can set off a firestorm of emotions” (Judith Harkness Richardson).
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