What's the difference between light and ray?

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.

Ray


Definition:

  • (v. t.) To array.
  • (v. t.) To mark, stain, or soil; to streak; to defile.
  • (n.) Array; order; arrangement; dress.
  • (n.) One of a number of lines or parts diverging from a common point or center, like the radii of a circle; as, a star of six rays.
  • (n.) A radiating part of a flower or plant; the marginal florets of a compound flower, as an aster or a sunflower; one of the pedicels of an umbel or other circular flower cluster; radius. See Radius.
  • (n.) One of the radiating spines, or cartilages, supporting the fins of fishes.
  • (n.) One of the spheromeres of a radiate, especially one of the arms of a starfish or an ophiuran.
  • (n.) A line of light or heat proceeding from a radiant or reflecting point; a single element of light or heat propagated continuously; as, a solar ray; a polarized ray.
  • (n.) One of the component elements of the total radiation from a body; any definite or limited portion of the spectrum; as, the red ray; the violet ray. See Illust. under Light.
  • (n.) Sight; perception; vision; -- from an old theory of vision, that sight was something which proceeded from the eye to the object seen.
  • (n.) One of a system of diverging lines passing through a point, and regarded as extending indefinitely in both directions. See Half-ray.
  • (n.) To mark with long lines; to streak.
  • (n.) To send forth or shoot out; to cause to shine out; as, to ray smiles.
  • (v. i.) To shine, as with rays.
  • (n.) Any one of numerous elasmobranch fishes of the order Raiae, including the skates, torpedoes, sawfishes, etc.
  • (n.) In a restricted sense, any of the broad, flat, narrow-tailed species, as the skates and sting rays. See Skate.

Example Sentences:

  • (1) The level of gadd45 mRNA increased rapidly after X rays at doses as low as 2 Gy.
  • (2) Pain is not reported in the removal area, the clinical examinations show identical findings on both patellar tendons, X-ray and ultrasound evaluations do not demonstrate any change in patellar position.
  • (3) Findings on plain X-ray of the abdomen, using the usual parameters of psoas and kidney shadows in the Nigerian, indicate that the two communities studied are similar but urinary calculi and urinary tract distortion are significantly more prominent in the community with the higher endemicity of urinary schistosomiasis.
  • (4) In the German Democratic Republic, patients with scleroderma and history of long term silica exposure are recognized as patients with occupational disease even though pneumoconiosis is not clearly demonstrated on X-ray film.
  • (5) 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.
  • (6) Thin films (OD approximately 0.7) of glucose-embedded membranes, prepared as a control, showed virtually 100% conversion to the M state, and stacks of such thin film specimens gave very similar x-ray diffraction patterns in the bR568 and the M412 state in most experiments.
  • (7) In 0.17 M Na+(aq), tRNA(Phe) exists in its native conformation and the number of strong binding sites (Ka greater than or equal to 10(4)) was estimated to be 3-4 by titration experiments, in agreement with X-ray structural data for crystalline tRNA(Phe) (Jack et al., 1977).
  • (8) Radiological findings on chest X-rays taken two weeks after BAI were evaluated according to Takeuchi's criteria.
  • (9) The intermandibularis is probably present only in electric rays.
  • (10) Carbopol-940 gels, being the best of those used, were studied further for the effect of its concentration and of additives (benzalkonium chloride, phenylmercuric nitrate, chlorbutol and disodium edetate), autoclaving at 121 degrees C for 30 min and irradiation with gamma rays (2.5 Mrad), on the end product.
  • (11) The X-ray tube rotates outside the detector array at the rate of one revolution per second.
  • (12) If this is what 70s stoners were laughing at, it feels like they’ve already become acquiescent, passive parts of media-relayed consumer society; precursors of the cathode-ray-frazzled pop-culture exegetists of Tarantino and Kevin Smith in the 90s.
  • (13) Chromosome aberrations were scored in BHK21 C13 Syrian hamster fibroblasts, exposed to 60Co gamma-rays, 250 kV X-rays, 15 MeV neutrons or neutrons of mean energy 2.1 MeV produced from the 9Be(d,n)10B reaction.
  • (14) The scatter measurement was made using a standard imaging geometry with both beam stops and an additional x-ray detector placed behind the standard imaging detector.
  • (15) Chest X-ray revealed multiple nodular lesions in both lung fields.
  • (16) The treatment group received 75 mg of roxatidine acetate hydrochloride at 9 PM and 12 to 13 hours later gastric juice secretion was measured with gastric x-ray films in both groups.
  • (17) All patients received an X-ray study of swallow at 3 months after the operation.
  • (18) Modifications in quaternary structure induced by variation of these physicochemical parameters were followed by means of X-ray and quasi-elastic light-scattering and quantified in terms of weight average molecular weight (M), radius of gyration (Rg) and hydrodynamic radius (Rh).
  • (19) Congenital defect of a cervical pedicle produces a rare clinical syndrome with a characteristic X-ray picture associated with vague clinical signs often accentuated after trauma.
  • (20) A chest X-ray examination showed a large mediastinal mass on the right.

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