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nocturnal
/nɒkˈtɜː(ɹ)nəl/
noun
A person or creature that is active at night.
A device for telling the time at night, rather like a sundial but read according to the stars.
Similar: star clock
Synonymsstar clock
adjective
(of a person, creature, group, or species) Primarily active during the night.
"nocturnal birds"
(of an occurrence) Taking place at night, nightly.
"a suspicious nocturnal outing"
Antonymsdiurnal
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