1. A mounting for a picture using gummed tape 
2. Key that secures entrance everywhere
   - passkey, master key, master

Type of: key, mounting

• Polanisia dodecandra
• Polanisia graveolens
• polar
• polar bear
• polar body
• polar circle
• polar coordinate
• polar front
• polar glacier
• nuclear reactor
• Nuclear Regulatory Commission
• nuclear resonance
• nuclear RNA
• nuclear rocket
• nuclear submarine
• nuclear terrorism
• nuclear transplantation
• nuclear warhead
• nuclear weapon
• nuclear winter
• nuclear-powered ship
• nuclear-powered submarine
• nuclease
• nucleate
• nucleated