detonation vs blast

detonation and blast both are nouns.

Word	Noun	Adjective	Verb	Adverb
detonation	Yes	No	No	No
blast	Yes	No	Yes	No

As nouns, blast is a hyponym of detonation; that is, blast is a word with a more specific, narrower meaning than detonation:

detonation: a violent release of energy caused by a chemical or nuclear reaction
blast: an explosion (as of dynamite)

Other hyponyms of detonation include airburst, backfire, big bang, backfire, blowback, fragmentation, inflation.

detonation (noun)	blast (noun)
the act of detonating an explosive	a very long fly ball
a violent release of energy caused by a chemical or nuclear reaction	intense adverse criticism
	an explosion (as of dynamite)
	a sudden very loud noise
	a highly pleasurable or exciting experience
	a strong current of air

detonation (verb)	blast (verb)
	shatter as if by explosion
	shrivel or wither or mature imperfectly
	criticize harshly or violently
	use explosives on
	fire a shot; release
	hit with great force
	create by using explosives
	make with or as if with an explosion
	apply a draft or strong wind to to
	make a strident sound