Meanings
adjectivesubluminal (comparative more subluminal, superlative most subluminal)
comparative more subluminal · superlative most subluminal
Synonyms & antonyms
adjectiveSlower than light; having a speed less than light.
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Also see
Origin
Translations
Greek υποφωτοταχικός
- υποφωτοταχικός (ypofototachikós)slower than light
Italian subluminale
- subluminaleslower than light
Polish podświetlny
- podświetlnyslower than light
Cite this entry
APA
subluminal. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/subluminal
MLA
“subluminal.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/subluminal. Accessed November 2, 2026.
Chicago
WatkinsX Dictionary, s.v. “subluminal,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/subluminal.
Source: subluminal on Wiktionary, CC BY-SA 4.0.