Definition of diurna

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Diurna (n. pl.) A division of Lepidoptera, including the butterflies; -- so called because they fly only in the daytime..

Lern More About Diurna

Daily :: Daily (a.) Happening, or belonging to, each successive day; diurnal; as, daily labor; a daily bulletin..
Diurnation :: Diurnation (n.) Continuance during the day.
Diurnal :: Diurnal (a.) Opening during the day, and closing at night; -- said of flowers or leaves..
Arc :: Arc (n.) The apparent arc described, above or below the horizon, by the sun or other celestial body. The diurnal arc is described during the daytime, the nocturnal arc during the night..
Flood :: Flood (v. i.) The flowing in of the tide; the semidiurnal swell or rise of water in the ocean; -- opposed to ebb; as, young flood; high flood..
Heliostat :: Heliostat (n.) An instrument consisting of a mirror moved by clockwork, by which a sunbeam is made apparently stationary, by being steadily directed to one spot during the whole of its diurnal period; also, a geodetic heliotrope..
Semidiurnal :: Semidiurnal (a.) Pertaining to, or accomplished in, half a day, or twelve hours; occurring twice every day..
Diurnalist :: Diurnalist (n.) A journalist.
Diurnal :: Diurnal (a.) A small volume containing the daily service for the little hours, viz., prime, tierce, sext, nones, vespers, and compline..
Diurna :: Diurna (n. pl.) A division of Lepidoptera, including the butterflies; -- so called because they fly only in the daytime..
Diurnation :: Diurnation (n.) The condition of sleeping or becoming dormant by day, as is the case of the bats..
Nocturnal :: Nocturnal (a.) Of, pertaining to, done or occuring in, the night; as, nocturnal darkness, cries, expedition, etc.; -- opposed to diurnal..
Journal :: Journal (a.) Daily; diurnal.
Urania :: Urania (n.) A genus of large, brilliantly colored moths native of the West Indies and South America. Their bright colored and tailed hind wings and their diurnal flight cause them to closely resemble butterflies..
Diurnal :: Diurnal (a.) Active by day; -- applied especially to the eagles and hawks among raptorial birds, and to butterflies (Diurna) among insects..
Diurnally :: Diurnally (adv.) Daily; every day.
Diurnal :: Diurnal (a.) Relating to the daytime; belonging to the period of daylight, distinguished from the night; -- opposed to nocturnal; as, diurnal heat; diurnal hours..
Ephemeral :: Ephemeral (a.) Beginning and ending in a day; existing only, or no longer than, a day; diurnal; as, an ephemeral flower..
Equidiurnal :: Equidiurnal (a.) Pertaining to the time of equal day and night; -- applied to the equinoctial line.
Low :: Low (adv.) In a path near the equator, so that the declination is small, or near the horizon, so that the altitude is small; -- said of the heavenly bodies with reference to the diurnal revolution; as, the moon runs low, that is, is comparatively near the horizon when on or near the meridian..
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