1. (biology) the space between the plasma membrane and the outer membrane or cell wall
   - periplasm

Encyclopedia: Periplasmic space

• whipping post
• whipping top
• Whipple's penstemon
• whippletree
• whippoorwill
• whippy
• whipsaw
• whipsnake
• whipstitch
• whipstitching
• whipstock
• whiptail
• whiptail lizard
• whir
• whirl
• whirl around
• Whirlaway
• whirler
• whirligig
• whirligig beetle
• whirling
• whirling dervish
• whirlpool
• whirlwind
• whirlybird