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Luminous

/lˈumənəs/
C1
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(adj) Emitting light; glowing brightly; shining.

They all agreed that it was a huge creature, luminous, ghastly, and spectral.
Tom wants to paint the windowsills with luminous paint.
CEFR Practice Quiz
The watch has ____ hands that glow in the dark, making it very easy to tell the time at night.

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