1. Between or among stars
   "the density of hydrogen in interplanetary and interstellar space"

See also: star

Encyclopedia: Interstellar

• Falconidae
• Falconiformes
• falconine
• falconry
• falderal
• falderol
• faldstool
• Falkland Islands
• Falkner
• fall
• fall all over
• fall apart
• fall armyworm
• fall asleep
• fall away
• fall behind
• fall by the wayside
• fall cankerworm
• fall dandelion
• fall down
• fall equinox
• fall flat
• fall for
• fall from grace
• fall guy