Diurnal

Diurnal
Occurring in the daytime. A patient may have a diurnal fever rather than a nocturnal one. Diurnal also can refer to recurring every day. Pronounced die-URN-ul, it comes from the Latin "dies" for day, the root of many words including circadian (about a day, about 24 hours), quotidian (which also means recurring every day), journal, etc.
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1. Pertaining to the daylight hours; opposite of nocturnal. 2. Repeating once each 24 hours, e.g., a d. variation or a d. rhythm. Cf.:circadian. [L. diurnus, of the day]

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di·ur·nal dī-'ərn-əl adj
1) having a daily cycle <\diurnal rhythms>
2 a) of, relating to, or occurring in the daytime <\diurnal activity>
b) chiefly active during the daytime <\diurnal mosquitoes>
di·ur·nal·ly -əl-ē adv

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adj.
relating to the daylight hours; daily. See circadian.

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di·ur·nal (di-urґnəl) [L. dies day] occurring during the day.

Medical dictionary. 2011.

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  • Diurnal — Di*ur nal, a. [L. diurnalis, fr. dies day. See {Deity}, and cf. {Journal}.] 1. Relating to the daytime; belonging to the period of daylight, distinguished from the night; opposed to {nocturnal}; as, diurnal heat; diurnal hours. [1913 Webster] 2.… …   The Collaborative International Dictionary of English

  • diurnal — diurnal, aux [ djyrnal, o ] n. m. • 1671; « diurne » 1525; lat. diurnalis ♦ Relig. Livre de prières qui renferme spécialement l office du jour. ● diurnal nom masculin (latin diurnalis) Livre de prières, extrait du bréviaire, qui contient… …   Encyclopédie Universelle

  • Diurnal — ( daily ) may refer to: Diurnal cycle, any pattern that recurs daily Diurnality, the behavior of animals and plants that are active in the daytime Diurnal motion, the apparent motion of stars around the Earth Diurnal phase shift, a phase shift of …   Wikipedia

  • diurnal — 1. (di ur nal) s. m. Nom d une sorte de bréviaire, où l on a recueilli les prières qui sont chaque jour à l usage des gens d Église.    Au plur. Des diurnaux. ÉTYMOLOGIE    Lat. diurnalis, de diurnus, diurne. SUPPLÉMENT AU DICTIONNAIRE 1. DIURNAL …   Dictionnaire de la Langue Française d'Émile Littré

  • diurnal — diurnál s. n. (sil. di ur ) Trimis de siveco, 10.08.2004. Sursa: Dicţionar ortografic  DIURNÁL s.n. 1. Carte care cuprinde rugăciunile de zi (la catolici). 2. Povestire a faptelor zilnice, povestire zi de zi a faptelor. [pron. di ur , pl. le. /… …   Dicționar Român

  • Diurnal — Di*ur nal, n. [Cf. F. diurnal a prayerbook. See {Diurnal}, a.] 1. A daybook; a journal. [Obs.] Tatler. [1913 Webster] 2. (R. C. Ch.) A small volume containing the daily service for the little hours, viz., prime, tierce, sext, nones, vespers, and… …   The Collaborative International Dictionary of English

  • diurnal — is not an ordinary synonym of daily but has special technical meanings (especially in medicine and the life sciences) opposed to nocturnal: • During the last two hundred years, the European continent has seen a period of intensifying persecution… …   Modern English usage

  • diurnal — DIURNAL. s. m. Livre de prières qui contient l Office Canonial de chaque jour, à l exception des Matines, et quelquefois des Laudes. Diurnal Romain. Diurnal à l usage de Paris …   Dictionnaire de l'Académie Française 1798

  • diurnal — index daily Burton s Legal Thesaurus. William C. Burton. 2006 …   Law dictionary

  • diurnal — late 14c., from L.L. diurnalis daily, from L. dies day + urnus, an adjectival suffix denoting time (Cf. hibernus wintery ). Dies day is from PIE root *dyeu (Cf. Skt. diva by day, Welsh diw, Bret. deiz day; Arm …   Etymology dictionary

  • diurnal — |i u| adj. 2 g. 1. Cotidiano. • s. m. 2. Livro de orações para cada dia do ano …   Dicionário da Língua Portuguesa

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