Library / 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) 

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:

Examine by taking x-rays

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)

Credits

 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)