1. Able to expand or be expanded
   - expandible, expansible 
2. (of gases) capable of expansion
   - expandible, expansible, expansile

See also: elastic, expansive

• kotow
• koudou
• koumiss
• kouprey
• Koussevitzky
• Kovna
• Kovno
• Koweit
• kowhai
• kowtow
• KP
• kph
• Kr
• kra
• kraal
• Krafft-Ebing
• kraft
• kraft paper
• krait
• Krakatao
• Krakatau
• Krakatoa
• Krakau
• kraken
• Krakow