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1

diurnal

play
adjective di·ur·nal \dī-ˈər-nəl\

Simple Definition of diurnal

  • : active mainly during the day

  • : happening every day

Full Definition of diurnal

  1. 1 a :  recurring every day <diurnal tasks> b :  having a daily cycle <diurnal tides>

  2. 2 a :  of, relating to, or occurring in the daytime <the city's diurnal noises> b :  active chiefly in the daytime <diurnal animals> c :  opening during the day and closing at night <diurnal flowers>

di·ur·nal·ly play \-nəl-ē\ adverb

Examples of diurnal

  1. <a love as constant and certain as the diurnal tides>



Origin of diurnal

Middle English, from Latin diurnalis — more at journal


First Known Use: 14th century


2

diurnal

noun di·ur·nal

Definition of diurnal

  1. 1 archaic :  diary, daybook

  2. 2 :  journal 2a



Examples of diurnal

  1. <a microfilm containing a collection of diurnals published by 19th-century American abolitionists>



1600

First Known Use of diurnal

1600


Medical Dictionary

diurnal

play
adjective di·ur·nal \dī-ˈərn-əl\

Medical Definition of diurnal

  1. 1:  having a daily cycle <diurnal rhythms>

  2. 2a:  of, relating to, or occurring in the daytime <diurnal activity>b:  chiefly active during the daytime <diurnal mosquitoes>

  3. di·ur·nal·ly \-əl-ē\play adverb





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