Subluminal

Wiktionary, Creative Commons Attribution/Share-Alike License
  • adjective. slower-than-light; having a speed less than light.
  • Word Usage
    "It was a dangerous business, as the slightest miscalculation could cause the ship to slide into the subluminal mud and dissipate in a Ĉerenkov blink."
    cross-reference
    FTL  subsonic  
    suggests
    Synonym
    Words with the same meaning
    sublumic