subluminary

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English

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Etymology

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From sub- +‎ luminary.

Adjective

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subluminary (not comparable)

  1. Slower than the speed of light.
    • 2017, A.K. Brown, Humans on the Menu (Champagne Universe Series: Book 2), page 34:
      The only consolation in their taking the Kator was that the ship was set at doing slow sub-luminary speeds.

Antonyms

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