n]
| 1. | an act or instance of exploding; a violent expansion or bursting with noise, as of gunpowder or a boiler (opposed to implosion ). |
| 2. | the noise itself: The loud explosion woke them. |
| 3. | a violent outburst, as of laughter or anger. |
| 4. | a sudden, rapid, or great increase: a population explosion. |
| 5. | the burning of the mixture of fuel and air in an internal-combustion engine. |
| 6. | Phonetics. plosion. |
n]
| the forced release of the occlusive phase of a plosive, whether voiceless or voiced, either audible due to frication or inaudible due to a contiguous following consonant. Also called explosion. Compare implosion (def. 2). |
ex·plo·sion (ĭk-splō'zhən) n.
[Latin explōsiō, explōsiōn-, a driving off, from explōsus, past participle of explōdere, to drive out by clapping; see explode.] |