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Ray
(redirected from Paraxial optics)

   Also found in: Medical, Encyclopedia, Wikipedia 0.01 sec.
Ray  (r), Cape
A promontory of extreme southwest Newfoundland, Canada, on Cabot Strait.

Ray, John 1627-1705.
English naturalist who was the first to use anatomy to distinguish between specific plants and animals and established "species" as the basic classification of living things.

Ray, Man 1890-1976.
American artist. A founder of Dada in New York, he is known for his photographs, paintings, sculpture, films, and later experiments with surrealism.

Ray  (r), Satyajit 1921-1992.
Indian filmmaker whose works, especially the trilogy including The World of Apu (1958), offer a contemplative depiction of Bengali life.

ray 1  (r)
n.
1.
a. A thin line or narrow beam of light or other radiant energy.
b. A graphic or other representation of such a line.
2. Radiance; light.
3. A small amount; a trace: not a ray of hope left.
4. Mathematics A straight line extending from a point. Also called half-line.
5. A structure or part having the form of a straight line extending from a point.
6. Any of the bright streaks that are seen radiating from some craters on the moon.
7. Botany
a. A ray flower or the corolla of a ray flower.
b. A branch of an umbel.
8. Zoology
a. One of the bony spines supporting the membrane of a fish's fin.
b. One of the arms of a starfish or other radiate animal.
9. rays Slang Sunshine: Let's go to the beach and catch some rays.
tr.v. rayed, ray·ing, rays
1. To send out as rays; emit.
2. To supply with rays or radiating lines.
3. To cast rays on; irradiate.

[Middle English, from Old French rai, from Latin radius.]

ray 2  (r)
n.
Any of various marine fishes of the order Rajiformes or Batoidei, having cartilaginous skeletons, horizontally flattened bodies, and narrow tails.

[Middle English raye, from Old French raie, from Latin raia.]

Ray [reɪ]
n
(Placename) Cape. a promontory in SW Newfoundland, Canada

ray1
n
1. a narrow beam of light; gleam
2. a slight indication, esp of something anticipated or hoped for a ray of solace
3. (Mathematics) Maths a straight line extending from a point
4. (Physics / General Physics) a thin beam of electromagnetic radiation or particles
5. (Life Sciences & Allied Applications / Zoology) any of the bony or cartilaginous spines of the fin of a fish that form the support for the soft part of the fin
6. (Life Sciences & Allied Applications / Zoology) any of the arms or branches of a starfish or other radiate animal
7. (Astronomy) Astronomy any of a number of bright streaks that radiate from the youngest lunar craters, such as Tycho; they are composed of crater ejecta not yet darkened, and extend considerable distances
8. (Life Sciences & Allied Applications / Botany) Botany any strand of tissue that runs radially through the vascular tissue of some higher plants See medullary ray
vb
1. (of an object) to emit (light) in rays or (of light) to issue in the form of rays
2. (intr) (of lines, etc.) to extend in rays or on radiating paths
3. (Fine Arts & Visual Arts / Art Terms) (tr) to adorn (an ornament, etc.) with rays or radiating lines
[from Old French rai, from Latin radius spoke, radius]

ray2
n
(Life Sciences & Allied Applications / Animals) any of various marine selachian fishes typically having a flattened body, greatly enlarged winglike pectoral fins, gills on the undersurface of the fins, and a long whiplike tail. They constitute the orders Torpediniformes (electric rays) and Rajiformes
[from Old French raie, from Latin raia]

Ray2
n
1. (Biographies / Ray, John (1627-1705) M, English, SCIENCE: naturalist) John. 1627-1705, English naturalist. He originated natural botanical classification and the division of flowering plants into monocotyledons and dicotyledons
2. (Biographies / Ray, Man (1890-1976) M, US, ARTS AND CRAFTS: photographer) Man, real name Emmanuel Rudnitsky. 1890-1976, US surrealist photographer
3. (Biographies / Ray, Satyajit (1921-1992) M, Indian, FILMS AND TV: director) Satyajit (ˈsætjədʒɪt). 1921-92, Indian film director, noted for his Apu trilogy (1955-59)

ray3
n
(Music, other) Music (in tonic sol-fa) the second degree of any major scale; supertonic
[see gamut]

ray  (r)
1. A thin line or narrow beam of light or other radiation.
2. A geometric figure consisting of the part of a line that is on one side of a point on the line.
3. See ray flower.

Ray(s) an order or array of soldiers, 1470.
Examples: rays of chastity, 1634; of comfort, 1781; of divinity, 1674; of genius, 1856; of gold, 1729; of hope, 1838; of horsemen, 1542; of truth, 1732.

ray
  • shaft - A ray of light.
  • radiate - As an adjective, it means having rays or parts coming out of a center, from Latin radius, "ray, spoke."
  • radio wave - Travels like rays of light, so it takes its name from Latin radius, "spoke of a wheel; ray of light."
  • sol-fa - The sol-fa syllables are doh, ray, mi, fah, sol, lah, te—for the notes of the major musical scale.
  • ThesaurusLegend:  Synonyms Related Words Antonyms
    Noun1.Ray - a column of light (as from a beacon)ray - a column of light (as from a beacon)
    heat ray - a ray that produces a thermal effect
    high beam - the beam of a car's headlights that provides distant illumination
    light, visible light, visible radiation - (physics) electromagnetic radiation that can produce a visual sensation; "the light was filtered through a soft glass window"
    moon ray, moon-ray, moonbeam - a ray of moonlight
    sunbeam, sunray - a ray of sunlight
    laser beam - a beam of light generated by a laser
    low beam - the beam of a car's headlights that provides illumination for a short distance
    2.ray - a branch of an umbel or an umbelliform inflorescence
    pedicel, pedicle - a small stalk bearing a single flower of an inflorescence; an ultimate division of a common peduncle
    3.ray - (mathematics) a straight line extending from a point
    math, mathematics, maths - a science (or group of related sciences) dealing with the logic of quantity and shape and arrangement
    vector - a straight line segment whose length is magnitude and whose orientation in space is direction
    4.Ray - a group of nearly parallel lines of electromagnetic radiationray - a group of nearly parallel lines of electromagnetic radiation
    cathode ray - a beam of electrons emitted by the cathode of an electrical discharge tube
    electromagnetic radiation, electromagnetic wave, nonparticulate radiation - radiation consisting of waves of energy associated with electric and magnetic fields resulting from the acceleration of an electric charge
    particle beam - a collimated flow of particles (atoms or electrons or molecules)
    5.ray - the syllable naming the second (supertonic) note of any major scale in solmization
    solfa syllable - one of the names for notes of a musical scale in solmization
    6.ray - any of the stiff bony spines in the fin of a fish
    spine - a sharp rigid animal process or appendage; as a porcupine quill or a ridge on a bone or a ray of a fish fin
    fin - organ of locomotion and balance in fishes and some other aquatic animals
    7.ray - cartilaginous fishes having horizontally flattened bodies and enlarged winglike pectoral fins with gills on the underside; most swim by moving the pectoral fins
    elasmobranch, selachian - any of numerous fishes of the class Chondrichthyes characterized by a cartilaginous skeleton and placoid scales: sharks; rays; skates
    crampfish, electric ray, numbfish, torpedo - any sluggish bottom-dwelling ray of the order Torpediniformes having a rounded body and electric organs on each side of the head capable of emitting strong electric discharges
    sawfish - primitive ray with sharp teeth on each edge of a long flattened snout
    guitarfish - primitive tropical bottom-dwelling ray with a guitar-shaped body
    stingray - large venomous ray with large barbed spines near the base of a thin whiplike tail capable of inflicting severe wounds
    eagle ray - powerful free-swimming tropical ray noted for `soaring' by flapping winglike fins; usually harmless but has venomous tissue near base of the tail as in stingrays
    manta ray, manta, devilfish - extremely large pelagic tropical ray that feeds on plankton and small fishes; usually harmless but its size make it dangerous if harpooned
    skate - large edible rays having a long snout and thick tail with pectoral fins continuous with the head; swim by undulating the edges of the pectoral fins
    Verb1.ray - emit as rays; "That tower rays a laser beam for miles across the sky"
    give out, emit, give off - give off, send forth, or discharge; as of light, heat, or radiation, vapor, etc.; "The ozone layer blocks some harmful rays which the sun emits"
    2.ray - extend or spread outward from a center or focus or inward towards a center; "spokes radiate from the hub of the wheel"; "This plants radiate spines in all directions"
    extend, run, lead, pass, go - stretch out over a distance, space, time, or scope; run or extend between two points or beyond a certain point; "Service runs all the way to Cranbury"; "His knowledge doesn't go very far"; "My memory extends back to my fourth year of life"; "The facts extend beyond a consideration of her personal assets"
    3.ray - expose to radiation; "irradiate food"
    bombard - direct high energy particles or radiation against
    process, treat - subject to a process or treatment, with the aim of readying for some purpose, improving, or remedying a condition; "process cheese"; "process hair"; "treat the water so it can be drunk"; "treat the lawn with chemicals" ; "treat an oil spill"

    ray
    noun
    1. beam, bar, flash, shaft, gleam, flicker, glint, glimmer The first rays of light spread over the horizon.
    2. trace, spark, flicker, glimmer, hint, indication, scintilla I can offer you a slender ray of hope.
    Translations
    ray1 [reɪ] N
    1. [of light, heat, sun] → rayo m
    see also X-ray
    2. (fig) (= trace) a ray of hopeun rayo de esperanza

    ray2 [reɪ] N (= fish) → raya f
    see also stingray
    ray3 [reɪ] N (Mus) → re m

    ray [ˈreɪ] n
    [light] → rayon m
    a ray of light → un rayon de lumière
    the sun's rays → les rayons du soleil
    ultraviolet rays → rayons ultraviolets
    gamma rays → rayons gamma
    [hope, comfort, goodness] → lueur f
    a ray of hope → une lueur f d'espoir

    ray1
    n
    Strahl m; a ray of hopeein Hoffnungsschimmer or -strahl m; a ray of sunshine (fig)ein kleiner Trost
    (of fish)Flossenstrahl m; (of starfish)Arm m

    ray2
    n (= fish)Rochen m

    ray1 [reɪ] n
    a.raggio; (of hope) → barlume m, raggio
    a ray of comfort → un po' di conforto
    b. (Geom) → semiretta

    ray2 [reɪ] n (fish) → razza

    ray
    n ray [rei]
    1 a narrow beam (of light, heat etc) the sun's rays; X-rays; heat-rays; a ray of light. straal شُعاع лъч paprsek stråle der Strahl αχτίδα rayo kiir شعاع؛ پرتو säde rayon קֶרֶן किरण zraka sugár sinar geisli raggio 光線 광선 spindulys stars; starojums sinar straal stråle promień raio rază de soare луч lúč žarek zrak stråle รังสี ışın, ışık demeti 光束,(熱能等的)射線 промінь شعاع tia 线
    2 a slight amount (of hope etc). straaltjie بَصيص، مِقْدار قَليل проблясък надежда zásvit glimt der Strahl αχτίδα (μτφ.) brizna, resquicio kiir کوره امید häive lueur שְׁבִיב थोड़ी मात्रा tračak reménysugár secercah vonarglæta raggio わずか 한 줄기 광명 spindulėlis, prošvaistė stariņš sedikit (harapan) sprankje glimt promyczek raio licărire проблеск záblesk žarek (upanja) tračak strimma, สิ่งเล็กน้อยที่คาดหวัง ... ışığı 些許 проблиск خوشی یا امید کی کرن chút ít


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00 Paperback Tutorial texts series; TT 77 QC355 Physicist Kloos introduces the method of Gaussian transfer matrices in paraxial optics and compares the approach to other paraxial methods.
 
 
 
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