per·i·plasm 
(pĕrə-plăz′əm)
(pĕrə-plăz′əm)n.
The region between the cytoplasmic membrane and the outer cell membrane in gram-negative bacteria and some archaea.
per′i·plasmic adj.
- king penguin
- kingpin
- king post
- king post truss
- king salmon
- King's Bench
- King's Counsel
- King's English
- kingship
- kingside
- king-size
- king-sized
- Kingsley
- Kingsley William
- King's Lynn
- king snake
- kingsnake
- kings-of-arms
- Kings Peak
- Kingsport
- Kings River
- Kingston
- Kingston
- Kingston-upon-Hull
- Kingston-upon-Hull