1) Explosive 1) Hard 2) Like b or d, phonetically 3) Like some consonant stops 4) Noisy initial consonant 
Speech sound made by impounding the air stream for a moment and then suddenly releasing it. ... (05 Mar 2000) ... 
In linguistics, another term for a stop.
Type: Term Pronunciation: plō′siv Definitions: 1. Speech sound made by impounding the air stream for a moment and then suddenly releasing it.
A speech sound made by blocking the air-stream completely with the tongue or lips, allowing the air to burst out after a brief moment, as in English /t/ tea or /b/ bee. See VOICE ONSET TIME.
[adj] - produced by complete closure of the oral passage and subsequent release with a burst of air (as `p` and `d` in `pit` or `dog`)
A sound which is produced with a complete blockage of the pulmonic airstream. Also called a stop, examples are /p,t,k/.