periplast /perˈi-pläst/ (zoology)

1. Intercellular substance
2. The ectoplasm of flagellates
3. A cuticle covering the ectoplasm

• airholes
• air hostess
• air hostesses
• air-house
• air-houses
• airier
• airiest
• airily
• airiness
• airinesses
• airing
• airing cupboard
• airing cupboards
• airings
• air-intake
• air-intakes
• approvances
• approve
• approved
• approved school
• approved schools
• approver
• approvers
• approves
• approving