i Register
In some senses, exploding is marked as figuratively, dated, colloquial. Watch for register when choosing this word.
adj
Having the appearance of an explosion.
Only available for a very short period.
noun
Explosion.
When helpless, a soldier lay racked with his goadings Of wounds he'd received in the battle's explodings.
Blowings up —explodings— Such would be your fate; Streams of fire 'neath us! — Bless us, what a state!