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
Etymologically Related
luminal
superluminal
transluminal
suggests
subliminal
Synonym
Words with the same meaning
sublumic