单词 | diurnal |
释义 | diurnal[ dahy-ur-nl ] / daɪˈɜr nl / SEE SYNONYMS FOR diurnal ON THESAURUS.COM adjectiveof or relating to a day or each day; daily. of or belonging to the daytime (opposed to nocturnal). Botany. showing a periodic alteration of condition with day and night, as certain flowers that open by day and close by night. active by day, as certain birds and insects (opposed to nocturnal). nounOrigin of diurnal1400–50; late Middle English <Latin diurnālis, equivalent to diurn(us) daily + -ālis-al1 OTHER WORDS FROM diurnalWORDS THAT MAY BE CONFUSED WITH diurnaldiurnal , nocturnalWords nearby diurnalditzy, Diu, diuresis, diuretic, Diuril, diurnal, diurnal arc, diurnal circle, diurnal motion, diurnal parallax, diuron Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for diurnalBritish Dictionary definitions for diurnaldiurnal / (daɪˈɜːnəl) / adjectivehappening during the day or daily (of flowers) open during the day and closed at night (of animals) active during the dayCompare nocturnal nouna service book containing all the canonical hours except matins Derived forms of diurnaldiurnally, adverbWord Origin for diurnalC15: from Late Latin diurnālis, from Latin diurnus, from diēs day Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Medical definitions for diurnaldiurnal [ dī-ûr′nəl ] adj.Having a 24-hour period or cycle; daily. Occurring or active during the daytime rather than at night. Other words from diurnaldi•ur′nal•ly adv.The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company. Scientific definitions for diurnaldiurnal [ dī-ûr′nəl ]
Most active during the daytime. Many animals, including the apes, are diurnal. Having leaves or flowers that open in daylight and close at night. The morning glory and crocus are diurnal. Compare nocturnal. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
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