Nearby Words
adjective
1.
of or pertaining to a day or each day; daily.
2.
of or belonging to the daytime (opposed to nocturnal).
3.
Botany. showing a periodic alteration of condition with day and night, as certain flowers that open by day and close by night.
4.
active by day, as certain birds and insects (opposed to nocturnal).
noun
5.
Liturgy. a service book containing offices for the daily hours of prayer.
6.
Archaic. a diary.
7.
Archaic. a newspaper, especially a daily one.
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Diurnal
is always a great word to know.
So is sporophyte. Does it mean:
| composed of several cells |
| form of a diploid plant in the alternation of generations that produces asexual spores |
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Based on the Random House Dictionary, © Random House, Inc. 2012.
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Link To diurnal
Example Sentences
- Charles's many books yield an abundance of light/sky imagery, both diurnal and nocturnal.
- That diurnal migration is something that the research team here hopes to shed some light on.
Collins
World English Dictionary
| diurnal (daɪˈɜːnəl) | |
| —adj | |
| 1. | happening during the day or daily |
| 2. | (of flowers) open during the day and closed at night |
| 3. | Compare nocturnal (of animals) active during the day |
| —n | |
| 4. | a service book containing all the canonical hours except matins |
| [C15: from Late Latin diurnālis, from Latin diurnus, from diēs day] | |
| di'urnally | |
| —adv | |
Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Etymonline
Word Origin & History
diurnal
late 14c., from L.L. diurnalis, from diurnum "day," from L. diurnus "daily," from dies "day" + -urnus, an adj. suffix denoting time (cf. hibernus "wintery"). Dies "day" is from PIE base *dyeu- (cf. Skt. diva "by day," Welsh diw, Bret. deiz "day;" Arm. tiw; Lith. diena; O.C.S. dini, Pol. dzien, Rus.
EXPAND den), lit. "to shine" (cf. Gk. delos "clear;" L. deus, Skt. deva "god," lit. "shining one;" Avestan dava- "spirit, demon;" Lith. devas, O.N. tivar "gods;" O.E. Tig, gen. Tiwes, see Tuesday).
COLLAPSE
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary
diurnal di·ur·nal (dī-ûr'nəl)
adj.
Having a 24-hour period or cycle; daily.
Occurring or active during the daytime rather than at night.
di·ur'nal·ly adv.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Cite This Source
American Heritage
Science Dictionary
diurnal  (dī-ûr'nəl) Pronunciation Key
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The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
Cite This Source
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