1. Exhibiting or relating to cleistogamy
   - cleistogamous

See also: cleistogamy

• space bar
• space biology
• space blanket
• space cadet
• space capsule
• space heater
• space helmet
• space laboratory
• space lattice
• space medicine
• Space Needle
• space opera
• space platform
• space probe
• space program
• space rocket
• space shuttle
• space sickness
• space station
• space travel
• space vehicle
• space writer
• space-reflection symmetry
• space-time
• space-time continuum