Found 2 items, similar to Night blindness.
English → English
Definition: night blindness
n : inability to see clearly in dim light; due to a deficiency
of vitamin A or to a retinal disorder [syn: nyctalopia
English → English
Definition: Night blindness
(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
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.
And God called the light Day, and the darkness he
called Night. --Gen. i. 5.
(a) Darkness; obscurity; concealment.
Nature and nature's laws lay hid in night.
(b) Intellectual and moral darkness; ignorance.
(c) A state of affliction; adversity; as, a dreary night
(d) The period after the close of life; death.
She closed her eyes in everlasting night.
Do not go gentle into that good night
Rage, rage against the dying of the light.
(e) A lifeless or unenlivened period, as when nature seems
to sleep. “Sad winter's night”
Note: Night is sometimes used, esp. with participles, in the
formation of self-explaining compounds; as,
night-blooming, night-born, night-warbling, etc.
Night by night
, Night after night
, nightly; many nights.
So help me God, as I have watched the night,
Ay, night by night, in studying good for England.
(a) The moor hen (Gallinula chloropus
(b) The Manx shearwater (Puffinus Anglorum
. (Med.) See Hemeralopia
, a cart used to remove the contents of privies
, (Zo["o]l.), the nightjar.
, a bird that cries in the night.
, a dog that hunts in the night, -- used by
(a) Fire burning in the night.
(b) Ignis fatuus; Will-o'-the-wisp; Jask-with-a-lantern.
(Zo["o]l.), any creature that flies in the
night, as some birds and insects.
, a spyglass constructed to concentrate a large
amount of light, so as see objects distinctly at night.
, iodine green.
, a witch supposed to wander in the night.
(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
(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
, and squawk
, a public house, or inn, which is open at
, a key for unfastening a night latch.
, a kind of latch for a door, which is operated
from the outside by a key.
(Zo["o]l.), an owl monkey.
(Zo["o]l.), any one of the noctuids.
(Zo["o]l.), the kakapo.
, a painting representing some night scene, as a
moonlight effect, or the like.
, a loose robe, or garment, worn either as a
nightgown, or over the dress at night, or in sickness.
(Zo["o]l.), a bird of ill omen that cries in
the night; esp., the bittern.
(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
What night rule now about this haunted grove?
. (Med.) See Nyctolopia
, a night thief. [Cant] --Beau. & Fl.
, human excrement; -- so called because in cities
it is collected by night and carried away for manure.
, a charm against accidents at night.
(Zo["o]l.), the nightjar.
, a walk in the evening or night.
(a) One who walks in his sleep; a somnambulist; a
(b) One who roves about in the night for evil purposes;
specifically, a prostitute who walks the streets.
(a) Walking in one's sleep; sleep walking; somnambulism;
(b) Walking the streets at night with evil designs.
(Zo["o]l.), the sedge warbler (Acrocephalus phragmitis
); -- called also night singer
. [Prov. Eng.]
(a) A period in the night, as distinguished by the change
(b) A watch, or guard, to aford protection in the night.
, one who watches in the night; especially,
one who watches with evil designs.
. Same as Night hag