Definition
Shining or glowing in the dark; luminous at night; phosphorescent.
Example Usage
The noctilucous algae in the bay created an otherworldly blue glow as waves crashed on the shore.
Origin
From Latin nox (night) + lucēre (to shine).
Fun Fact
Bioluminescent organisms like dinoflagellates produce noctilucous displays through chemical reactions in their cells.
Source: Definition backfill (hailey)
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