implosion

nouns

a sudden inward collapse
"the implosion of a light bulb"
is derived from
is a type of (narrower)
a natural event caused by something suddenly falling down or caving in
"the roof is in danger of collapse"; "the collapse of the old star under its own gravity"
the initial occluded phase of a stop consonant
is derived from
is a part of
a consonant produced by stopping the flow of air at some point and suddenly releasing it
"his stop consonants are too aspirated"
is a type of (narrower)
the act of blocking