Pronunciation: (plō'zhun), [key]
the forced release of the occlusive phase of a plosive, whether voiceless or unvoiced, either audible due to frication or inaudible due to a contiguous following consonant. Also called explosion. Cf. implosion (def. 2).
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.