Diurnal Definition & Meaning - Merriam-Webster

Definition of diurnal ; biology · active chiefly in the daytime ; b · of, relating to, or occurring in the daytime ; c botany · opening during the day and closing at ... Login SignUp Hello, Games&Quizzes Thesaurus WordoftheDay Features BuyingGuide M-WBooks JoinMWU MyWordsMyWords ViewRecents Account LogOut diurnal adjective SaveWord di·​ur·​nal |\dī-ˈər-nᵊl \ Definitionofdiurnal (Entry1of2) 1a biology :activechieflyinthedaytime diurnalanimals b :of,relatingto,oroccurringinthedaytime thecity'sdiurnalnoises c botany :openingduringthedayandclosingatnight diurnalflowers 2a :recurringeveryday diurnaltasks b :havingadailycycle diurnaltides diurnal noun Definitionofdiurnal (Entry2of2) 1 :journalsense1a 2 archaic :diary,daybook OtherWordsfromdiurnal Synonyms MoreExampleSentences LearnMoreAboutdiurnal OtherWordsfromdiurnal Adjective diurnally \ dī-​ˈər-​nᵊl-​ē \ adverb Synonymsfordiurnal Synonyms:Adjective daily,day-to-day,quotidianSynonyms:Noun book,bulletin,gazette,journal,mag,magazine,newspaper,organ,paper,periodical,rag,review,serial,zine VisittheThesaurusforMore  ExamplesofdiurnalinaSentence Adjective aloveasconstantandcertainasthediurnaltides Noun amicrofilmcontainingacollectionofdiurnalspublishedby19th-centuryAmericanabolitionists RecentExamplesontheWeb:Adjective Giventhediurnalminimumofheatingearlyintheday,anystormswillstruggleagainstthat. — IanLivingston,WashingtonPost,15June2022 Numerousdiversemesoclimatesandsoilsgivevineyardsdistinctpersonalities,butingeneral,summersarewarmanddry,withcooleveningsandadiurnaltemperaturerangethathelpspreserveacidityandfreshnessinthegrapes. — LanaBortolot,Forbes,27May2022 Scientistssawthattheeyesizeandshapeweresimilartothoseofmoderndiurnalowls. — MargaretOsborne,SmithsonianMagazine,4Apr.2022 IntheDundeestudy,researchersfoundthatthisdiurnaldecreaseisabsent,oratleastrelativelyabsent,inadeprivedpopulationwhodonothaveregularaccesstoanduseofgreenspacesintheirurbanenvironment. — ShaneO'mara,OutsideOnline,13May2020 Butafewowlsarediurnal—oractiveduringtheday. — MargaretOsborne,SmithsonianMagazine,4Apr.2022 Themicroclimateischaracterizedbysignificantdiurnalrange,warmsummersandcoldwinters. — JohnMariani,Forbes,18Mar.2022 ThisrunscountertoasignificantpieceofCalifornia-wineconventionalwisdom,whichholdsthatlargerdiurnalshiftsalwaysleadtobetterwines. — EstherMobley,SanFranciscoChronicle,2Feb.2022 Ambienttemperature,humidity,diurnalandseasonalclimatevariationsallplayafactor. — JosephVMicallef,Forbes,7Sep.2021 SeeMore Theseexamplesentencesareselectedautomaticallyfromvariousonlinenewssourcestoreflectcurrentusageoftheword'diurnal.'ViewsexpressedintheexamplesdonotrepresenttheopinionofMerriam-Websteroritseditors.Sendusfeedback. FirstKnownUseofdiurnal Adjective 14thcentury,inthemeaningdefinedatsense2aNoun 1600,inthemeaningdefinedatsense2 HistoryandEtymologyfordiurnal Adjective MiddleEnglish,fromLatindiurnalis—moreatjournal Noun derivativeofdiurnalentry1 LearnMoreAboutdiurnal Sharediurnal PosttheDefinitionofdiurnaltoFacebook SharetheDefinitionofdiurnalonTwitter TimeTravelerfordiurnal Thefirstknownuseofdiurnalwas inthe14thcentury Seemorewordsfromthesamecentury ListentoOurPodcastAboutdiurnal ThememusicbyJoshuaStamper©2006NewJerusalemMusic/ASCAP GetWordoftheDaydeliveredtoyourinbox! SignUp DictionaryEntriesNeardiurnal diuretic diurnal diurnalarc SeeMoreNearbyEntries  Statisticsfordiurnal LastUpdated 19Jun2022 Look-upPopularity CitethisEntry “Diurnal.”Merriam-Webster.comDictionary,Merriam-Webster,https://www.merriam-webster.com/dictionary/diurnal.Accessed27Jun.2022. Style:MLA MLA Chicago APA Merriam-Webster MoreDefinitionsfordiurnal diurnal adjective di·​ur·​nal |\dī-ˈərn-ᵊl \ Medical Definitionofdiurnal 1 :havingadailycycle diurnalrhythms 2a :of,relatingto,oroccurringinthedaytime diurnalactivity b :chieflyactiveduringthedaytime diurnalmosquitoes OtherWordsfromdiurnal diurnally \ -​ᵊl-​ē \ adverb MorefromMerriam-Websterondiurnal Nglish:TranslationofdiurnalforSpanishSpeakers BritannicaEnglish:TranslationofdiurnalforArabicSpeakers WORDOFTHEDAY jingoism SeeDefinitionsandExamples» GetWordoftheDaydailyemail! TestYourVocabulary OddHabitsandQuirks Whichofthefollowingbestdescribesaneasilyirritatedperson? flashy gregarious superficial tetchy Testyourvocabularywithour10-questionquiz! TAKETHEQUIZ Adailychallengeforcrosswordfanatics. TAKETHEQUIZ SubscribetoAmerica'slargestdictionaryandgetthousandsmoredefinitionsandadvancedsearch—adfree! 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