/ English Dictionary |
X-RAY
Pronunciation (US): | ![]() | (GB): | ![]() |
I. (noun)
Sense 1
Meaning:
A radiogram made by exposing photographic film to X rays; used in medical diagnosis
Synonyms:
roentgenogram; X-ray; X-ray photograph; X-ray picture; X ray
Classified under:
Nouns denoting man-made objects
Hypernyms ("X-ray" is a kind of...):
radiogram; radiograph; shadowgraph; skiagram; skiagraph (a photographic image produced on a radiosensitive surface by radiation other than visible light (especially by X-rays or gamma rays))
Hyponyms (each of the following is a kind of "X-ray"):
angiocardiogram (a series of X rays representing the action of the heart and its blood vessels after the injection of a radiopaque substance)
angiogram (an X-ray representation of blood vessels made after the injection of a radiopaque substance)
arteriogram (an X ray of an artery filled with a contrast medium)
arthrogram (an X ray of a joint after the injection of a contrast medium)
encephalogram; pneumoencephalogram (an X ray of the brain made by replacing spinal fluid with a gas (usually oxygen) to improve contrast)
hysterosalpingogram (X ray of the uterus and Fallopian tubes; usually done in diagnosing infertility (to see if there any blockages))
mammogram (X-ray film of the soft tissue of the breast)
myelogram (X-ray film of the spinal cord and spinal nerve roots and subarachnoid space)
pyelogram (an X ray of the kidneys and ureters)
phlebogram; venogram (an X ray of a vein injected with a radiopaque contrast medium)
Sense 2
Meaning:
Electromagnetic radiation of short wavelength produced when high-speed electrons strike a solid target
Synonyms:
roentgen ray; X-radiation; X-ray; X ray
Classified under:
Nouns denoting natural phenomena
Hypernyms ("X-ray" is a kind of...):
ionizing radiation (high-energy radiation capable of producing ionization in substances through which it passes)
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)
II. (verb)
Verb forms
Present simple: I / you / we / they x-ray
... he / she / it x-rays
Past simple: x-rayed
-ing form: x-raying
Sense 1
Meaning:
Take an x-ray of something or somebody
Example:
The doctor x-rayed my chest
Classified under:
Verbs of telling, asking, ordering, singing
Hypernyms (to "x-ray" is one way to...):
photograph; shoot; snap (record on photographic film)
Domain category:
photography; picture taking (the act of taking and printing photographs)
Sentence frames:
Somebody ----s something
Somebody ----s somebody
Sentence example:
Did he x-ray his foot?
Derivation:
X-raying (obtaining images by the use of X rays)
Sense 2
Meaning:
Classified under:
Verbs of seeing, hearing, feeling
Hypernyms (to "x-ray" is one way to...):
examine; see (observe, check out, and look over carefully or inspect)
Sentence frames:
Somebody ----s something
Somebody ----s somebody
Derivation:
X-raying (obtaining images by the use of X rays)
Context examples:
Contrast media that has a lower amplification and intensity than the surrounding tissue making the contrast look less opaque when seen in an x-ray.
(Negative Contrast Agent, NCI Thesaurus)
X-rays may be used to help diagnose disease.
(Abdominal Radiography, NCI Dictionary)
The total X-ray dose an individual was exposed to during a specified time period.
(Accumulated X-Ray Dose Data, NCI Thesaurus)
Patients are usually asymptomatic and its discovery is an incidental finding during chest X-ray examination.
(Alveolar Adenoma, NCI Thesaurus)
The arteries can be seen because of an injection of a dye that outlines the vessels on the x-ray.
(Arteriography, NCI Dictionary)
The X-ray examination of the arterial blood vessels.
(Arteriography, NCI Thesaurus)
X-ray visualization of the spinal cord following injection of contrast medium into the spinal arachnoid space.
(Myelography, NLM, Medical Subject Headings)
A device that uses x-rays instead of visible light to form images of very small structures, such as the insides of blood vessels and cells.
(Nanoprobe, NCI Dictionary)
In the trial, low-dose spiral CT scans were compared with chest x-rays for their ability to detect lung cancer early.
(National Lung Screening Trial, NCI Dictionary)
The term derives from the chest X-ray image of the tiny (1-5 mm) tuberculosis lesions which are seen through out the lung parenchyma.
(Miliary Tuberculosis, NCI Thesaurus)
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