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or X-ray (ĕks′rā′)
n. or x ray or X ray
a. A photon of electromagnetic radiation of very short wavelength, ranging from about 10 down to 0.01 nanometers, and very high energy, ranging from about 100 up to 100,000 electron volts.
b. often x-rays or X-rays A narrow beam of such photons. X-rays are used for their penetrating power in radiography, radiology, radiotherapy, and scientific research. Also called roentgen ray.
a. A photograph taken with x-rays.
b. The act or process of taking such a photograph: Did the patient move during the x-ray?
tr.v. x-rayed, x-ray·ing, x-rays or X-rayed or X-ray·ing or X-rays
1. To irradiate with x-rays.
2. To photograph with x-rays.

[From translation of obsolete German X-Strahlen, x-rays (coined by their discoverer Wilhelm Conrad Roentgen ) : x, x, unknown factor (since x-rays were a previously unknown form of radiation) + Strahlen, pl. of Strahle, ray.]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.X-raying - obtaining images by the use of X rays
tomography, imaging - (medicine) obtaining pictures of the interior of the body
computed axial tomography, computed tomography, computerized axial tomography, computerized tomography, CT, CAT - a method of examining body organs by scanning them with X rays and using a computer to construct a series of cross-sectional scans along a single axis
References in periodicals archive ?
The issue I am x-raying took sleep away from his eyes and ended up getting him restless.
Thing is, all through the talk her eyes would be on my plastic shopping bag, X-raying the contents.
After X-raying the pup, vet Sean Cleary operated on Dougie to remove the collars and said: "The collars had formed a knot and could have caused a rupture of Dougie's bowel if they hadn't been removed quickly.
The radiographers are very concerned as they are X-raying patients and are unsure if an image will materialise.
AND this University Challenge introduction: "I'm Lorenzo Venturini and I'm reading engineering -- with a special interest in X-raying cheese.
I began thinking about the possibility of x-raying the board to see if trace parameters could be measured that way.
BANK bosses are X-raying all their safety deposit boxes after losing treasured church silverware that dates back to the English Civil War.
He is capable of X-raying an opera, getting right into its inner workings.
I remember waking up strapped down to a table with this horrible thing around my head, X-raying me.
There is precaution about x-raying pregnant women and around dental x-rays.
He also did tomography, X-raying the test packages while rotating them 360 degrees.
Speaking as a witness at the hearing, Ms Jones said: "As far as X-raying people in the hospital goes, it's a very private environment, and it was a surprise to see him there just totally out of context.