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nocturnal

noc·tur·nal [ nok túrn'l ]


adjective 
Definition:
 
1. at night: occurring at night, as opposed to during the day

2. zoology active at night: describes animals that are active at night rather than during the day

3. botany flowering at night: describes flowers that open at night and close during the day


noc·tur·nal·ly adverb
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