What's the difference between light and pupil?

Light


Definition:

  • (n.) That agent, force, or action in nature by the operation of which upon the organs of sight, objects are rendered visible or luminous.
  • (n.) That which furnishes, or is a source of, light, as the sun, a star, a candle, a lighthouse, etc.
  • (n.) The time during which the light of the sun is visible; day; especially, the dawn of day.
  • (n.) The brightness of the eye or eyes.
  • (n.) The medium through which light is admitted, as a window, or window pane; a skylight; in architecture, one of the compartments of a window made by a mullion or mullions.
  • (n.) Life; existence.
  • (n.) Open view; a visible state or condition; public observation; publicity.
  • (n.) The power of perception by vision.
  • (n.) That which illumines or makes clear to the mind; mental or spiritual illumination; enlightenment; knowledge; information.
  • (n.) Prosperity; happiness; joy; felicity.
  • (n.) The manner in which the light strikes upon a picture; that part of a picture which represents those objects upon which the light is supposed to fall; the more illuminated part of a landscape or other scene; -- opposed to shade. Cf. Chiaroscuro.
  • (n.) Appearance due to the particular facts and circumstances presented to view; point of view; as, to state things fairly and put them in the right light.
  • (n.) One who is conspicuous or noteworthy; a model or example; as, the lights of the age or of antiquity.
  • (n.) A firework made by filling a case with a substance which burns brilliantly with a white or colored flame; as, a Bengal light.
  • (superl) Having light; not dark or obscure; bright; clear; as, the apartment is light.
  • (superl) White or whitish; not intense or very marked; not of a deep shade; moderately colored; as, a light color; a light brown; a light complexion.
  • (n.) To set fire to; to cause to burn; to set burning; to ignite; to kindle; as, to light a candle or lamp; to light the gas; -- sometimes with up.
  • (n.) To give light to; to illuminate; to fill with light; to spread over with light; -- often with up.
  • (n.) To attend or conduct with a light; to show the way to by means of a light.
  • (v. i.) To become ignited; to take fire; as, the match will not light.
  • (v. i.) To be illuminated; to receive light; to brighten; -- with up; as, the room lights up very well.
  • (superl.) Having little, or comparatively little, weight; not tending to the center of gravity with force; not heavy.
  • (superl.) Not burdensome; easy to be lifted, borne, or carried by physical strength; as, a light burden, or load.
  • (superl.) Easy to be endured or performed; not severe; not difficult; as, a light affliction or task.
  • (superl.) Easy to be digested; not oppressive to the stomach; as, light food; also, containing little nutriment.
  • (superl.) Not heavily armed; armed with light weapons; as, light troops; a troop of light horse.
  • (superl.) Not encumbered; unembarrassed; clear of impediments; hence, active; nimble; swift.
  • (superl.) Not heavily burdened; not deeply laden; not sufficiently ballasted; as, the ship returned light.
  • (superl.) Slight; not important; as, a light error.
  • (superl.) Well leavened; not heavy; as, light bread.
  • (superl.) Not copious or heavy; not dense; not inconsiderable; as, a light rain; a light snow; light vapors.
  • (superl.) Not strong or violent; moderate; as, a light wind.
  • (superl.) Not pressing heavily or hard upon; hence, having an easy, graceful manner; delicate; as, a light touch; a light style of execution.
  • (superl.) Easy to admit influence; inconsiderate; easily influenced by trifling considerations; unsteady; unsettled; volatile; as, a light, vain person; a light mind.
  • (superl.) Indulging in, or inclined to, levity; wanting dignity or solemnity; trifling; gay; frivolous; airy; unsubstantial.
  • (superl.) Not quite sound or normal; somewhat impaired or deranged; dizzy; giddy.
  • (superl.) Easily bestowed; inconsiderately rendered.
  • (superl.) Wanton; unchaste; as, a woman of light character.
  • (superl.) Not of the legal, standard, or usual weight; clipped; diminished; as, light coin.
  • (superl.) Loose; sandy; easily pulverized; as, a light soil.
  • (adv.) Lightly; cheaply.
  • (v. t.) To lighten; to ease of a burden; to take off.
  • (v. i.) To dismount; to descend, as from a horse or carriage; to alight; -- with from, off, on, upon, at, in.
  • (v. i.) To feel light; to be made happy.
  • (v. i.) To descend from flight, and rest, perch, or settle, as a bird or insect.
  • (v. i.) To come down suddenly and forcibly; to fall; -- with on or upon.
  • (v. i.) To come by chance; to happen; -- with on or upon; formerly with into.

Example Sentences:

  • (1) On Friday night, in a stadium built in an area once deemed an urban wasteland, the flame that has journeyed from Athens to every corner of these islands will light the fire that launches the London Olympics of 2012.
  • (2) Apparently, the irradiation with visible light of a low intensity creates an additional proton gradient and thus stimulates a new replication and division cycle in the population of cells whose membranes do not have delta pH necessary for the initiation of these processes.
  • (3) Morphological alterations in the lungs of pheasants after prolonged high-dosage administration of bleomycin sulfate were studied by light and electron microscopy.
  • (4) Light microscopic studies of pancreata from mice sacrificed at this time demonstrated insulitis and beta cell necrosis.
  • (5) The dependence of fluorescence polarization of stained nerve fibres on the angle between the fibre axis and electrical vector of exciting light (azimuth characteristics) has been considered.
  • (6) A 66-year-old woman with acute idiopathic polyneuritis (Landry-Guillain-Barré [LGB] syndrome) had normal extraocular movements, but her pupils did not react to light or accommodation.
  • (7) We have examined overlapping octapeptides from the kappa IIIb light chain variable region and show that some framework peptides have the ability to bind aggregated IgG.
  • (8) This study examined both the effect of variations in optical fiber tip and in light wavelength on laser-induced hyperthermia in rat brain.
  • (9) The water is embossed with small waves and it has a chill glassiness which throws light back up at the sky.
  • (10) A new type of Escherichia coli mutant which shows increased sensitivity to methyl methane sulfonate but not to UV light or to gamma rays was isolated after mutagenesis with N-methyl-N'-nitro-N-nitrosoguanidine.
  • (11) Approximately 90% of the patients have a lambda light chain myeloma protein and almost all patients excrete Bence-Jones protein.
  • (12) Matthias Müller, VW’s chief executive, said: “In light of the wide range of challenges we are currently facing, we are satisfied overall with the start we have made to what will undoubtedly be a demanding fiscal year 2016.
  • (13) In addition, lightly immunostained cells were distinguished in the caudal portion of the hypothalamic arcuate nucleus, area of tuber cinereum, retrochiasmatic area, and rostral portion of the paraventricular thalamic nucleus after colchicine treatment.
  • (14) Photograph: Guardian The research also compiled data covered by a wider definition of tax haven, including onshore jurisdictions such as the US state of Delaware – accused by the Cayman islands of playing "faster and looser" even than offshore jurisdictions – and the Republic of Ireland, which has come under sustained pressure from other EU states to reform its own low-tax, light-tough, regulatory environment.
  • (15) Using an in vitro culture system, light scatter analyses, and two-color flow cytometry, we provide evidence that the interleukin-2 (IL-2) and transferrin receptors can be induced within 48 hr on nonproliferating immature thymocytes.
  • (16) Photoreactions induced in that proper sensitizer molecules absorb UV-light or visible light.
  • (17) Urine specimens from patient REE also contained a light chain fragment that lacked the first (amino-terminal) 85 residues of the native light chain but otherwise was identical in sequence to the light chain REE.
  • (18) Three coyotes were operantly conditioned to depress one of two foot treadles, left or right, depending on the condition of the stimulus light.
  • (19) These results are discussed in the light of the mode of action of the substances used.
  • (20) The birds were maintained at a constant temperature in, dim green light.

Pupil


Definition:

  • (n.) The aperture in the iris; the sight, apple, or black of the eye. See the Note under Eye, and Iris.
  • (n.) A youth or scholar of either sex under the care of an instructor or tutor.
  • (n.) A person under a guardian; a ward.
  • (n.) A boy or a girl under the age of puberty, that is, under fourteen if a male, and under twelve if a female.

Example Sentences:

  • (1) A 66-year-old woman with acute idiopathic polyneuritis (Landry-Guillain-Barré [LGB] syndrome) had normal extraocular movements, but her pupils did not react to light or accommodation.
  • (2) Results in May 89 emphasizes: the relevance and urgency of the prevention of AIDS in secondary schools; the importance of the institutional aspect for the continuity of the project; the involvement of the pupils and the trainers for the processus; the feasibility of an intervention using only local resources.
  • (3) We’ve spoken to them on the phone and they’ve all said they just want to come home.” A total of 93 pupils from Saint-Joseph were on the trip.
  • (4) Pupils who disrupt the learning of their classmates are dealt with firmly and, in many cases, a short suspension is an effective way of nipping bad behaviour in the bud."
  • (5) The headteacher of the school featured in the reality television series Educating Essex has described using his own money to buy a winter coat for a boy whose parents could not afford one, in a symptom of an escalating economic crisis that has seen the number of pupils in the area taking home food parcels triple in a year.
  • (6) The pupils at the Royal Blind School, Edinburgh, were surveyed and it was found that 40% of the 100 pupils had definitely inherited severe eye disease.
  • (7) The teacher said his school believed it was aware of all the pupils who had been present, and that Nuttall was not among them.
  • (8) While tonic pupil and reduced sweating can be attributed to the affection of postganglionic cholinergic parasympathetic and sympathetic fibres projecting to the iris and sweat glands, respectively, the pathogenesis of diminished or lost tendon jerks remains obscure.
  • (9) For data sampled at a high rate (approximately 200 Hz) pupil velocity deviations from zero can simply be used, giving a satisfactory inaccuracy of about 5 ms. For data sampled at a low rate (less than 50 Hz), e.g.
  • (10) On neurological examination, he showed stupor,pupils and eye position were normal.
  • (11) A nine-year-old Scottish girl who attracted two million readers to a blog documenting her school lunches , consisting of unappealing and unhealthy dishes served up to pupils, has been forced to end the project after the council banned her from taking pictures of the food in school.
  • (12) Posterior synechiae, pupil deformations, grave uveitis with hypotonia of 4-10 mm Hg are rapidly developing.
  • (13) Effects of topical administration of a single dose of 2% pilocarpine on intraocular pressure (IOP) and pupil diameter were evaluated in normotensive eyes of 10 clinically normal cats over 12 hours.
  • (14) Changes in pupil size indicated a substantial cholinergic effect on the iridal sphincter musculature.
  • (15) The nineteen pupils so discovered had more exercise-induced bronchial lability than equivalently exercised controls.
  • (16) Theory and practice of urology generates three types of professionals: doctors, who study at universities and obtain their licence by making a demonstration before the Protomedicato Tribunal; surgeons, who acquire their surgical techniques through a teacher-pupil training relationship outside universities; and empirics, who were in charge of performing surgical operations.
  • (17) The evolution and characteristics of diabetic rubeosis were studied in 33 eyes, and the following vascular abnormalities were found: (1) Dilated leaking capillaries around the pupil; (2) irregular or slow filling of the radial arteries; (3) superficial arborising newly formed vessels, usually starting in the chamber angle; and (4) dilatation and leakage of the radial vessels either before or after the development of neovascular glaucoma.
  • (18) Characteristic clinical features were present in 19 patients, including a gradual obtundation after the initial hemorrhage in 16 patients and small nonreactive pupils in nine patients (all with a Glasgow Coma Scale score of 7 or less).
  • (19) Ed Miliband's education package is less generous than some hoped Read more The Labour leader said the coalition is directly to blame for a trebling in the number of classes with more than 30 pupils from 31,265 in 2010 to 93,345 in 2014, as a result of opening free schools in areas where new schools are not needed.
  • (20) Of these, 61.2% said they had been subjected to a pupil writing an insulting comment about them on a social network or internet site, 38.1% said a student had made comments about their competence or performance as a teacher, and 9.1% said they had faced allegations that they behaved inappropriately with pupils.