Night blindness

Night blindness
Night Night (n[imac]t), n. [OE. night, niht, AS. neaht, niht; akin to D. nacht, OS. & OHG. naht, G. nacht, Icel. n[=o]tt, Sw. natt, Dan. nat, Goth. nahts, Lith. naktis, Russ. noche, W. nos, Ir. nochd, L. nox, noctis, Gr. ny`x, nykto`s, Skr. nakta, nakti. [root]265. Cf. {Equinox}, {Nocturnal}.] 1. That part of the natural day when the sun is beneath the horizon, or the time from sunset to sunrise; esp., the time between dusk and dawn, when there is no light of the sun, but only moonlight, starlight, or artificial light. [1913 Webster]

And God called the light Day, and the darkness he called Night. --Gen. i. 5. [1913 Webster]

2. Hence: (a) Darkness; obscurity; concealment. [1913 Webster]

Nature and nature's laws lay hid in night. --Pope. [1913 Webster] (b) Intellectual and moral darkness; ignorance. (c) A state of affliction; adversity; as, a dreary night of sorrow. (d) The period after the close of life; death. [1913 Webster]

She closed her eyes in everlasting night. --Dryden. [1913 Webster]

Do not go gentle into that good night Rage, rage against the dying of the light. --Dylan Thomas. [PJC] (e) A lifeless or unenlivened period, as when nature seems to sleep. ``Sad winter's night''. --Spenser. [1913 Webster]

Note: Night is sometimes used, esp. with participles, in the formation of self-explaining compounds; as, night-blooming, night-born, night-warbling, etc. [1913 Webster]

{Night by night}, {Night after night}, nightly; many nights. [1913 Webster]

So help me God, as I have watched the night, Ay, night by night, in studying good for England. --Shak. [1913 Webster]

{Night bird}. (Zo["o]l.) (a) The moor hen ({Gallinula chloropus}). (b) The Manx shearwater ({Puffinus Anglorum}).

{Night blindness}. (Med.) See {Hemeralopia}.

{Night cart}, a cart used to remove the contents of privies by night.

{Night churr}, (Zo["o]l.), the nightjar.

{Night crow}, a bird that cries in the night.

{Night dog}, a dog that hunts in the night, -- used by poachers.

{Night fire}. (a) Fire burning in the night. (b) Ignis fatuus; Will-o'-the-wisp; Jask-with-a-lantern.

{Night flyer} (Zo["o]l.), any creature that flies in the night, as some birds and insects.

{night glass}, a spyglass constructed to concentrate a large amount of light, so as see objects distinctly at night. --Totten.

{Night green}, iodine green.

{Night hag}, a witch supposed to wander in the night.

{Night hawk} (Zo["o]l.), an American bird ({Chordeiles Virginianus}), allied to the goatsucker. It hunts the insects on which it feeds toward evening, on the wing, and often, diving down perpendicularly, produces a loud whirring sound, like that of a spinning wheel. Also sometimes applied to the European goatsuckers. It is called also {bull bat}.

{Night heron} (Zo["o]l.), any one of several species of herons of the genus {Nycticorax}, found in various parts of the world. The best known species is {Nycticorax griseus}, or {Nycticorax nycticorax}, of Europe, and the American variety (var. n[ae]vius). The yellow-crowned night heron ({Nyctanassa violacea} syn. {Nycticorax violaceus}) inhabits the Southern States. Called also {qua-bird}, and {squawk}.

{Night house}, a public house, or inn, which is open at night.

{Night key}, a key for unfastening a night latch.

{Night latch}, a kind of latch for a door, which is operated from the outside by a key.

{Night monkey} (Zo["o]l.), an owl monkey.

{night moth} (Zo["o]l.), any one of the noctuids.

{Night parrot} (Zo["o]l.), the kakapo.

{Night piece}, a painting representing some night scene, as a moonlight effect, or the like.

{Night rail}, a loose robe, or garment, worn either as a nightgown, or over the dress at night, or in sickness. [Obs.]

{Night raven} (Zo["o]l.), a bird of ill omen that cries in the night; esp., the bittern.

{Night rule}. (a) A tumult, or frolic, in the night; -- as if a corruption, of night revel. [Obs.] (b) Such conduct as generally rules, or prevails, at night.

What night rule now about this haunted grove? --Shak.

{Night sight}. (Med.) See {Nyctolopia}.

{Night snap}, a night thief. [Cant] --Beau. & Fl.

{Night soil}, human excrement; -- so called because in cities it is collected by night and carried away for manure.

{Night spell}, a charm against accidents at night.

{Night swallow} (Zo["o]l.), the nightjar.

{Night walk}, a walk in the evening or night.

{Night walker}. (a) One who walks in his sleep; a somnambulist; a noctambulist. (b) One who roves about in the night for evil purposes; specifically, a prostitute who walks the streets.

{Night walking}. (a) Walking in one's sleep; sleep walking; somnambulism; noctambulism. (b) Walking the streets at night with evil designs.

{Night warbler} (Zo["o]l.), the sedge warbler ({Acrocephalus phragmitis}); -- called also {night singer}. [Prov. Eng.]

{Night watch}. (a) A period in the night, as distinguished by the change of watch. (b) A watch, or guard, to aford protection in the night.

{Night watcher}, one who watches in the night; especially, one who watches with evil designs.

{Night witch}. Same as {Night hag}, above. [1913 Webster]

The Collaborative International Dictionary of English. 2000.

Look at other dictionaries:

  • night-blindness — nightˈ blindness noun Inability to see in a dim light, nyctalopia • • • Main Entry: ↑night …   Useful english dictionary

  • night blindness — n. imperfect vision in the dark or in dim light: a symptom of vitamin A deficiency …   English World dictionary

  • Night blindness — Impaired vision in dim light and in the dark, due to impaired function of specific vision cells (namely, the rods) in the retina. The ability of our eyes to quickly view objects as they shift from light to dark areas and the ability to see in dim …   Medical dictionary

  • night blindness — nightblind, adj. Ophthalm. a condition of the eyes in which vision is normal in daylight but abnormally poor at night or in a dim light; nyctalopia. [1745 55] * * * ▪ physiology also called  nyctalopia         failure of the eye to adapt promptly …   Universalium

  • night blindness — the inability to see in dim light or at night. It is due to a disorder of the cells in the retina that are responsible for vision in dim light (see rod), and can result from dietary deficiency of vitamin A. If the vitamin deficiency is allowed to …   The new mediacal dictionary

  • night blindness — night′ blind ness n. oph a condition in which vision is normal in daylight but abnormally poor in dim light • Etymology: 1745–55 night′blind , adj …   From formal English to slang

  • night blindness — noun The optic condition nyctalopia, the inability to see clearly in faint light, as at night Syn: moon blindness …   Wiktionary

  • night blindness — Synonyms and related words: Lombardy leprosy, anemia, ariboflavinosis, beriberi, cachexia, chlorosis, day blindness, deficiency anemia, dermatitis, goiter, greensickness, hemeralopia, keratomalacia, kwashiorkor, maidism, malnutrition, moon… …   Moby Thesaurus

  • night blindness — noun inability to see clearly in dim light; due to a deficiency of vitamin A or to a retinal disorder • Syn: ↑nyctalopia, ↑moon blindness • Hypernyms: ↑visual impairment, ↑visual defect, ↑vision defect, ↑visual disorder, ↑ …   Useful english dictionary

  • night blindness — noun Date: 1754 reduced visual capacity in faint light (as at night) • night blind adjective …   New Collegiate Dictionary

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