explosion vs detonation

explosion and detonation both are nouns.

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

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

Other hyponyms of explosion include fulmination.

As nouns, explosion and detonation are synonyms defined as:

explosion and detonation: a violent release of energy caused by a chemical or nuclear reaction

Other synonyms of explosion include blowup.

explosion (noun)	detonation (noun)
the act of exploding or bursting	the act of detonating an explosive
a golf shot from a bunker that typically moves sand as well as the golf ball	a violent release of energy caused by a chemical or nuclear reaction
the terminal forced release of pressure built up during the occlusive phase of a stop consonant
a sudden outburst
a violent release of energy caused by a chemical or nuclear reaction
a sudden great increase
the noise caused by an explosion