[1] : The Collaborative International Dictionary of English v.0.48

ray \ray\, n. of. rai, f. rais, fr. l. radius a beam or ray,
   staff, rod, spoke of a wheel. cf. radius.
   1. 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.
      1913 webster

   2. bot. 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.
      1913 webster

   3. zool.
      a one of the radiating spines, or cartilages, supporting
          the fins of fishes.
      b one of the spheromeres of a radiate, especially one of
          the arms of a starfish or an ophiuran.
          1913 webster

   4. physics
      a 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.
      b 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.
          1913 webster

   5. sight; perception; vision; -- from an old theory of
      vision, that sight was something which proceeded from the
      eye to the object seen.
      1913 webster

            all eyes direct their rays
            on him, and crowds turn coxcombs as they gaze.
                                                  --pope.
      1913 webster

   6. geom. one of a system of diverging lines passing through
      a point, and regarded as extending indefinitely in both
      directions. see half-ray.
      1913 webster

   bundle of rays. geom. see pencil of rays, below.

   extraordinary ray opt., that one of two parts of a ray
      divided by double refraction which does not follow the
      ordinary law of refraction.

   ordinary ray opt. that one of the two parts of a ray
      divided by double refraction which follows the usual or
      ordinary law of refraction.

   pencil of rays geom., a definite system of rays.

   ray flower, or ray floret bot., one of the marginal
      flowers of the capitulum in such composite plants as the
      aster, goldenrod, daisy, and sunflower. they have an
      elongated, strap-shaped corolla, while the corollas of the
      disk flowers are tubular and five-lobed.

   ray point geom., the common point of a pencil of rays.

   roentgen ray, r"ontgen ray r~ent"ge^n r=a`
      phys., a form of electromagnetic radiation generated in
      a very highly exhausted vacuum tube by an electrical
      discharge; now more commonly called x-ray. it is
      composed of electromagnetic radiation of wavelength
      shorter than that of ultraviolet light but longer than
      that of gamma rays. it is capable of passing through many
      bodies opaque to light, and producing photographic and
      fluorescent effects by which means pictures showing the
      internal structure of opaque objects are made, called
      x-rays, radiographs, sciagraphs, x-ray photographs,
      radiograms. so called from the discoverer, w. c.
      r"ontgen.

   x ray, the r"ontgen ray; -- so called by its discoverer
      because of its enigmatical character, x being an algebraic
      symbol for an unknown quantity.
      1913 webster +pjc
see also:
radius light half-ray bundle of rays pencil of rays extraordinary ray 
ordinary ray ray flower ray floret ray point roentgen ray 
r"ontgen ray x-ray x ray 

[2] : The Collaborative International Dictionary of English v.0.48

x ray \x ray\, x-ray \x-ray\e^ks"r=a`, n. so called by
   its discoverer because of its enigmatical character, x being
   an algebraic symbol for an unknown quantity. physics
   originally, any of the rays produced when cathode rays strike
   upon surface of a solid as a copper target or the wall of
   the vacuum tube; now defined as electromagnetic radiation
   with a wavelength of 0.1 to 10 nanometers. x-rays are noted
   for their penetration of many opaque substances, as wood and
   flesh, their action on photographic plates, and their
   fluorescent effects. they were called x rays by their
   discoverer, w. k. r"ontgen, but were also referred to for
   some time as roentgen rays. the term x-ray has become the
   most common designation. they also ionize gases, but cannot
   be reflected, or polarized, or deflected by a magnetic field.
   they are used in examining objects opaque to visible light,
   as for imaging bones or other structures inside the human
   body, and for detecting flaws in metal objects, such as in
   welds.
   webster 1913 suppl. +pjc x ray
see also:
x rays roentgen rays 

[3] : The Collaborative International Dictionary of English v.0.48

x ray \x ray\, x-ray \x-ray\e^ks"r=a`, v. t.
   to examine by means of x-rays; to irradiate with x-rays.
   pjc

[4] : WordNet (r) 2.0

x ray
     n 1: electromagnetic radiation of short wavelength produced when
          high-speed electrons strike a solid target syn: x-radiation,
           roentgen ray
     2: a radiogram made by exposing photographic film to x rays;
        used in medical diagnosis syn: roentgenogram, x-ray
        picture, x-ray photograph
see also:
x-radiation roentgen ray roentgenogram x-ray picture x-ray photograph 

[5] : Moby Thesaurus II by Grady Ward, 1.0

117 moby thesaurus words for "x ray":
   becquerel ray, ecg, eeg, ekg, grenz ray, photostat, roentgen ray,
   x radiation, x-ray movie, xerox, actinic ray, actinism,
   alpha radiation, alpha ray, anode ray, atomic beam, atomic ray,
   beam, beam of light, beta radiation, beta ray, blood bank,
   calotype, canal ray, capture on film, cathode ray, charity ward,
   chest x-ray, clinic, consultation room, cosmic radiation,
   cosmic ray, cosmic ray bombardment, delivery room, dispensary,
   electrocardiogram, electrocorticogram, electroencephalogram,
   electroencephalograph, electromyogram, electron emission,
   emergency, encephalogram, encephalograph, examining room,
   fever ward, film, gamma radiation, gamma ray, gleam, hospital room,
   infrared ray, infraroentgen ray, intensive care,
   invisible radiation, irradiate, isolation, labor room, laboratory,
   leam, maternity ward, microfilm, mug, nuclear rays, nursery,
   operating room, orthodiagram, pan, patch, pencil, pharmacy,
   photofluorogram, photofluorograph, photogram, photograph, photomap,
   photon, positive ray, prison ward, private room, pyelogram,
   radiation, radiogram, radiograph, radiorays, radiumize, ray,
   ray of light, recovery room, ribbon, ribbon of light, roentgenize,
   roentgenogram, roentgenograph, scotograph, semi-private room,
   shadowgram, shadowgraph, shoot, skiagram, skiagraph, snap,
   snapshoot, snapshot, solar rays, streak, stream, stream of light,
   streamer, surgery, take a photograph, talbotype, therapy,
   treatment room, ultraviolet ray, violet ray, ward

X-Ray WWW Server
...It provides links to additional locations for information about x-ray research, including.....Old TV tubes are used as cold cathode x-ray emitters in a simple apparatus developed by Bob.....With some beam tubes, the intensity is adequate to make x-ray photographs of objects using..
http://xray.uu.se/, score=100, date indexed=October 5, 2005, 9:06 am

The Chandra X-ray Observatory Center :: Gateway to the Universe of X-ray...
...An artist's rendering of GRB 050709 depicts a gamma-ray burst that was discovered on 9.....Chandra X-ray Center, Operated for NASA by the Smithsonian Astrophysical Observatory..This.....Illustration and Inset X-ray Image of GRB 050709.. GRB 050709: 35-Year-Old Cosmic Mystery..
http://chandra.harvard.edu/, score=97, date indexed=October 5, 2005, 5:25 pm

Periodic Table
...Compilation of X-ray Cross-Sections, National Bureau of Standards, for calculation of x-ray.....If you give an energy value in the box at the top of the table then you also get x-ray cross.....c) used to calculate x-ray cross-sections is available from here. Energy: keV .. 1.. 2.. 3..
http://www.csrri.iit.edu/periodic-table.html, score=95, date indexed=October 5, 2005, 2:20 am

X-Ray Spex Home Page
...It includes original X-Ray Spex songs and future material.At the same time I ask them "Would.....X-Ray Spex Fan Page.. LATEST NEWS! Visit the OFFICIAL .. art-i-ficial X-ray Spex website..
http://www.terrapin.co.uk/xrayspex/, score=94, date indexed=October 5, 2005, 2:17 am

The Chandra X-ray Observatory Center :: Gateway to the Universe of X-ray...
...Chandra X-ray Center, Operated for NASA by the Smithsonian Astrophysical Observatory..This.....More New & Noteworthy Items] NASA's Chandra X-ray Observatory was named in honor of the late.....X-ray/Optical Composite.. Image of N132D.. NASA Space Observatories Glimpse Faint Afterglow..
http://chandra.harvard.edu/index.html, score=94, date indexed=October 5, 2005, 9:04 am

X-Ray Interactions with Matter
...X-ray interactions: photoabsorption, scattering, transmission, and reflection at E=50-30000.....Look up x-ray properties of the elements. The index of refraction for a compound material.....Other x-ray web resources. These pages utilize ..JavaScript, but the decaffeinated versions..
http://www-cxro.lbl.gov/optical_constants/, score=94, date indexed=October 5, 2005, 4:19 am

Delta X-Ray / Quality Amateur Radio Antennas / Site Map
...Copyright © 2005 Delta X-Ray Antennas. This website has been designed and is maintained.....Delta X-Ray Antennas.. P.O. Box 1233 Lombard, Illinois 60148-1233.. Email ..deltaxray..
http://www.gopherlink.com/DeltaXray/, score=94, date indexed=October 5, 2005, 2:29 am

X-Ray Data Booklet
...X-RAY DATA BOOKLET ..Center for X-ray Optics and Advanced Light Source ..Lawrence Berkeley.....Periodic Table of X-Ray Properties.. Synchrotron Radiation.. Characteristics of Synchrotron.....History of X-rays and Synchrotron Radiation.. Synchrotron Facilities.. Scattering..
http://xdb.lbl.gov/, score=94, date indexed=October 5, 2005, 4:39 pm

Center For X-Ray Optics

http://www-cxro.lbl.gov/, score=93, date indexed=October 5, 2005, 4:30 pm

Thoracic Imaging
...about this most common x-ray examination.. Research .. Search the web for thoracic imaging.....net) Find x-ray items @ eBay….. Who am I? www.chestx-ray.com.. Terms & Conditions.. Privacy..
http://www.chestx-ray.com/, score=93, date indexed=October 5, 2005, 9:45 am

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