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Definitions of diurnal

  1.   biology belonging to or active during the day diurnal animals are active during the day diurnal flowers are open during the day and closed at night
  2.   having a daily cycle or occurring every day diurnal rhythms diurnal rotation of the heavens the diurnal slumber of bats
  3.   belonging to or active during the day diurnal animals are active during the day diurnal flowers are open during the day and closed at night
  4.   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
  5.   A daybook a journal
  6.   A diurnal bird or insect
  7.   Relating to the daytime belonging to the period of daylight distinguished from the night opposed to nocturnal as diurnal heat diurnal hours
  8.   Opening during the day and closing at night said of flowers or leaves
  9.   Active by day applied especially to the eagles and hawks among raptorial birds and to butterflies Diurna among insects
  10.   A small volume containing the daily service for the little hours viz prime tierce sext nones vespers and compline
  11.   Pertaining to a day performed in twenty four hours daily
  12.   Daily
  13.   Daily relating to or performed in a day
  14.   In the R C Church a breviary with daily services
  15.   DIURNALLY
  16.   Pertaining to the daytime
  17.   Relating to a day or to the daytime happening every day performed in a day performed in twenty four hours applied to diseases whose exacerbations are in the daytime
  18.   Pert to a day daily performed in 24 hours
  19.   A journal a day book
  20.   Opening during the day only active in the day time

Usage examples for diurnal

  1. “ A considerable number of the canine race would be slaughtered perhaps in the process of dilettante experiments the broad principles of chemical science would be discussed from every point of view in innumerable letters published in the Zeus and the Diurnal Hermes and the fact that an amiable and innocent young woman had been foully murdered would be swept out of the minds of mankind before a whirlwind of technical debate – Charlotte's Inheritance by M. E. Braddon
  2. The diurnal revolution of the earth brings the joyful sunrise and the pathetic sunset – Expositions of Holy Scripture: Romans Corinthians (To II Corinthians, Chap. V) by Alexander Maclaren
  3. “ 1863 Apr 23 On the Diurnal Inequalities of Phil ” – Autobiography of Sir George Biddell Airy by George Biddell Airy
  4. 43 63 Rivers diurnal rise and fall of ii ” – Himalayan Journals V2. by J. D. Hooker
  5. The temperature frequently rises to 105 and the fever instead of being intermittent runs continuously with little if any diurnal variation – Campaigning in Cuba by George Kennan
  6. The connection between changes of terrestrial magnetism and sun spots is shewn in a still more striking manner by a comparison which Mr Ellis has made between the monthly means of the diurnal range of declination and horizontal force and Dr R Wolf's 'relative numbers' for frequency of sun spots ” – Autobiography of Sir George Biddell Airy by George Biddell Airy
  7. These streams do not partake of the diurnal rise and fall so characteristic of the Swiss rivers and those of the western Himalaya where a powerful sun melts the glaciers by day and their head streams are frozen by night – Himalayan Journals V2. by J. D. Hooker
  8. When tasks diurnal tire the human frame The spirits faint and dim the vital flame Then too that ever active bounty shines Which not infinity of space confines – The Freedmen's Book by Lydia Maria Child
  9. She avoided the house but sent a woman for her diurnal love letters – A Simpleton by Charles Reade
  10. In the diurnal course of nature being pleasantly tired they had the avowed intention of sleeping there so they went early to their beds and carelessly wished one another good night none of them supposing slumber to be anywhere one of the warlike arts a paradoxical thing you must battle for and can only win at last when utterly beaten – The Complete Project Gutenberg Works of George Meredith by George Meredith
  11. It was noticed that like the sun many of these stars rose and set in consequence of the diurnal movement while the moon obviously followed a similar law – The Story of the Heavens by Robert Stawell Ball
  12. It will roll rapidly along and as well may tyrants imagine that by placing their feet upon the earth they can stop its diurnal motion as that they shall be able by efforts the most virulent and pertinacious to extinguish the light of reason and philosophy which happily for mankind is everywhere spreading around us ” – Shelley, Godwin and Their Circle by H. N. Brailsford
  13. Now as the civil year would end on the 22d of October true or solar time it would be reckoned in the old calendar the 1st day of January so they let the old calendar come to a stand while the Earth performs 67 diurnal revolutions and thereby restored the concurrence of the solar and the civil year – Our Calendar by George Nichols Packer
  14. In this sense all poets are pantheists and the flash of their inspiration means the death of their personal thought enabling them like Lucy to be Rolled round in earth's diurnal course With rocks and stones and trees – The Poet's Poet by Elizabeth Atkins
  15. There was a weird fascination about the skull for at noon it would receive the benediction of the sun and the diurnal glare into the secrets of the crevice had made a patch of white desert in an oasis of grey mould – Tropic Days by E. J. Banfield
  16. But within the last twenty years periodical literature has become extensively hebdomadal and even diurnal and as a necessary consequence the essays of those sustaining it in this shape have decreased in proportionate value at once from the larger amount of work demanded and from the shorter time allowed for its execution – Leading Articles on Various Subjects by Hugh Miller
  17. “ I should think that your best line will be through the whole length of France to Marseilles and thence by sea to Genoa whence the passage into Tuscany is as diurnal as a Gravesend barge – Minor Poems by Milton by John Milton
  18. 56 And sometimes to those streams of upper air Which whirl the earth in its diurnal round 490 She would ascend and win the spirits there To let her join their chorus – The Witch of Atlas by Percy Bysshe Shelley
  19. The 'dynamo' which furnishes the working powers of consciousness and action has its annual its monthly its diurnal waves even its temporary ripples in the current it furnishes ” – Mastery of Self by Frank Channing Haddock