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Dictionary


noc•tur•nal



Pronunciation: (nok-tûr'nl), [key]
adj.
1. of or pertaining to the night (opposed to diurnal).
2. done, occurring, or coming at night: nocturnal visit.
3. active at night (opposed to diurnal): nocturnal animals.
4. opening by night and closing by day, as certain flowers (opposed to diurnal).

n.
Archaic.an astrolabe for telling time at night or for determining latitude by the position of certain stars in reference to Polaris.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

nocturnnocturnal arc
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