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diurnal
adjective
- occurring each day; daily
- of, done, or happening in the daytime
- Bot. opening in the daytime and closing at night: said of a flower
- Zool. active in the daytime
noun
- Archaic a daily newspaper
- Eccles. a service book containing prayers for the daytime canonical hours and for compline
Related Forms:
- diurnally adverb
See diurnal in American Heritage Dictionary 4
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