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单词 diurnal
释义

WordReference Random House Learner's Dictionary of American English © 2024
di•ur•nal /daɪˈɜrnəl/USA pronunciation   adj. 
  1. of or belonging to the daytime.
  2. occurring each day;
    daily.
di•ur•nal•ly, adv. 

WordReference Random House Unabridged Dictionary of American English © 2024
di•ur•nal  (dī ûr′nl),USA pronunciation adj. 
  1. of or pertaining to a day or each day;
    daily.
  2. of or belonging to the daytime (opposed to nocturnal).
  3. Botanyshowing 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).

n. 
  1. Religion[Liturgy.]a service book containing offices for the daily hours of prayer.
  2. [Archaic.]a diary.
  3. [Archaic.]a newspaper, esp. a daily one.
  • Latin diurnālis, equivalent. to diurn(us) daily + -ālis -al1
  • late Middle English 1400–50
di•ur′nal•ly, adv. 
di•ur′nal•ness, n. 

Collins Concise English Dictionary © HarperCollins Publishers::
diurnal /daɪˈɜːnəl/ adj
  1. happening during the day or daily
  2. (of flowers) open during the day and closed at night
  3. (of animals) active during the day
    Compare nocturnal
Etymology: 15th Century: from Late Latin diurnālis, from Latin diurnus, from diēs day

diˈurnally adv
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