1. Capable of sealing itself as after being pierced
   "self-sealing tires" 
2. Seals without the application of moisture
   "self-sealing envelopes"

See also: adhesive, punctureless

• apothecium
• apothegm
• apothegmatic
• apothegmatical
• apothem
• apotheose
• apotheosis
• apotheosise
• apotheosize
• apotropaic
• appal
• Appalachia
• Appalachian
• Appalachian Mountains
• Appalachians
• appall
• appalled
• appalling
• appallingly
• Appaloosa
• appanage
• apparatchik
• apparatus
• apparatus urogenitalis
• apparel