Noun | 1. | implosion - a sudden inward collapse; "the implosion of a light bulb" collapse - 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" gravitational collapse - the implosion of a star resulting from its own gravity; the result is a smaller and denser celestial object |
2. | implosion - the initial occluded phase of a stop consonant occlusive, plosive, plosive consonant, plosive speech sound, stop consonant, stop - a consonant produced by stopping the flow of air at some point and suddenly releasing it; "his stop consonants are too aspirated" |