carapace /karˈə-pās/

1. The thick hard shell, made of bone or chitin, of the crab, tortoise, turtle, etc
2. A layer of heat-resistant tiles on a spacecraft
3. An inpenetrable outer shell, eg a reserved manner used as a protection against outside influences

carapāˈcial /-shl/ adjective

• advanced
• advanced gas-cooled reactor
• advanced guard
• Advanced Higher
• advance directive
• advance directives
• advanced level
• Advanced level
• advanced levels
• advanced passenger train
• advanced skills teacher
• Advanced Subsidiary level
• advance factories
• advance factory
• advance guard
• advance guards
• advance man
• advance men
• advancement
• advancements
• advance note
• advance notes
• advances
• advance workings
• advancing