Diurnal
Definition of Diurnal
Di`ur´nal | a. | 1. | Relating to the daytime; belonging to the period of daylight, distinguished from the night; - opposed to nocturnal; as, diurnal heat; diurnal hours. | | 2. | Daily; recurring every day; performed in a day; going through its changes in a day; constituting the measure of a day; as, a diurnal fever; a diurnal task; diurnal aberration, or diurnal parallax; the diurnal revolution of the earth. | | 3. | (Bot.) Opening during the day, and closing at night; - said of flowers or leaves. | | 4. | (Zool.) Active by day; - applied especially to the eagles and hawks among raptorial birds, and to butterflies (Diurna) among insects. | | n. | 1. | A daybook; a journal. | | 2. | (R. C. Ch.) A small volume containing the daily service for the "little hours," viz., prime, tierce, sext, nones, vespers, and compline. | | 3. | (Zool.) A diurnal bird or insect. |
Related Words
annual, biannual, biennial, bimonthly, biweekly, catamenial, centenary, centennial, circadian, daily, daytime, decennial, everyday, fortnightly, hebdomadal, hourly, menstrual, momentary, momently, monthly, quarterly, quotidian, regular, secular, semestral, semiannual, semimonthly, semiweekly, semiyearly, tertian, triennial, weekly, yearly
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Ditrichotomous
Ditrochean
Ditrochee
Ditroite
Ditt
Dittander
Dittany
Dittied
Ditto
Dittology
Ditty
Ditty-bag
Ditty-box
Diureide
Diuresis
Diuretic
Diuretic salt
Diuretical
Diureticalness
Diurna
-Diurnal-
Diurnal aberration
Diurnal acceleration of the fixed stars
Diurnal arc
Diurnal circle
Diurnal motion of a heavenly body
Diurnal motion of the earth
Diurnal parallax
Diurnal revolution of a planet
Diurnalist
Diurnally
Diurnalness
Diurnation
Diuturnal
Diuturnity
Diva
Divagation
Divalent
Divan
Divaricate
Divaricately
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