x-ray

or X-ray

[ eks-rey ]

/ ˈɛksˌreɪ /

SEE SYNONYMS FOR x-ray ON THESAURUS.COM

noun Also x ray, X ray.

Physics.

Often x-rays. a form of electromagnetic radiation, similar to light but of shorter wavelength and capable of penetrating solids and of ionizing gases.
such radiation having wavelengths in the range of approximately 0.1–10 nanometers.

a radiograph made by x-rays.

(initial capital letter) a word in communications to represent the letter X.

verb (used with object)

to examine, photograph, or treat with x-rays.

adjective

of or relating to x-rays: x-ray examination of the digestive tract.

able to see through objects that are opaque:the x-ray vision of Superman and other superheroes.

able to clearly and keenly perceive or recognize something that is not outwardly visible: a teacher with x-ray intuition about her students.

Origin of x-ray

First recorded in 1895–1900; translation of German X-Strahl (1895), the name originally given to the rays by Röntgen, their discoverer, x signifying their unknown nature

Words nearby x-ray

XQ, xr, x-radiate, x-radiation, X-rated, x-ray, x-ray astronomy, X-ray binary, x-ray binary star, x-ray burster, x-ray crystallography

Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for x-ray

An x-ray two hours later confirms my hunch: my tibia (the big bone behind the shin) is snapped clean in two.
You’re Never ‘Cured’ of an Eating Disorder|Carrie Arnold|December 20, 2014|DAILY BEAST
(It has subsequently become standard procedure to X-ray a body as part of an autopsy).
The Myth of the Central Park Five|Edward Conlon|October 19, 2014|DAILY BEAST
The three astronomers argued persuasively that the rhythm of X-ray bursts they measured is most likely due to the M82 X-1.
The Goldilocks of Black Holes|Matthew R. Francis|August 24, 2014|DAILY BEAST
Thus, the SHU was chock full of contraband, because all the x-ray machines were used by the clinics and not the guards.
Patted Down by India’s Hugging Saint|Daniel Genis|July 20, 2014|DAILY BEAST

However, researchers measured a decrease in X-ray emission last year: something new was blocking the light from reaching us.
The Supermassive Black Hole Smokescreen|Matthew R. Francis|June 22, 2014|DAILY BEAST
They seemed to pierce her with an X-ray quality of comprehension.
The Bartlett Mystery|Louis Tracy
You have all you can do attending to the grub question, said X-Ray, sternly.
Phil Bradley's Snow-shoe Trail|Silas K. Boone
When the X-ray picture revealed his secret he sobbed out, "He didn't mean to do it."
News Writing|M. Lyle Spencer
The X-ray moves in straight lines, I understand, while light has a wave motion.
The Tyranny of the Dark|Hamlin Garland
"The Koerting; so it is," said the Baron, when shown the X-ray photograph of his calf.
Punch or the London Charivari, Vol. 147, July 8, 1914|Various

British Dictionary definitions for x-ray

X-ray

x-ray

noun

electromagnetic radiation emitted when matter is bombarded with fast electrons. X-rays have wavelengths shorter than that of ultraviolet radiation, that is less than about 1 × 10 –8 metres. They extend to indefinitely short wavelengths, but below about 1 × 10 –11 metres they are often called gamma radiation
(as modifier)X-ray astronomy

a picture produced by exposing photographic film to X-rays: used in medicine as a diagnostic aid as parts of the body, such as bones, absorb X-rays and so appear as opaque areas on the picture

(usually capital) communications a code word for the letter x

verb (tr)

to photograph (part of the body, etc) using X-rays

to treat or examine by means of X-rays

Word Origin for X-ray

C19: partial translation of German X-Strahlen (from Strahl ray), coined by W. K. Roentgen in 1895

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Cultural definitions for x-ray (1 of 2)

x-ray

A form of electromagnetic radiation with very high frequency and energy. X-rays lie between ultraviolet radiation and gamma radiation on the electromagnetic spectrum.

notes for x-ray

Because x-rays can travel through solid material and affect photographic plates, they are widely used in diagnosing medical problems.

notes for x-ray

Objects in the sky also send out x-rays in processes that use very high energy.

Cultural definitions for x-ray (2 of 2)

x-ray

A photograph or image obtained through the use of x-rays. An x-ray is taken when an image of internal body structures (such as bones or organs) is needed to diagnose disease or determine the extent of injuries.

Medical definitions for x-ray

x-ray

n.

A relatively high-energy photon with wavelength in the approximate range from 0.01 to 10 nanometers.roentgen ray

A stream of such photons used for their penetrating power in radiography, radiology, radiotherapy, and scientific research. Often used in the plural.roentgen ray

A photograph taken with x-rays.

v.

To irradiate with x-rays.

To photograph with x-rays.

Scientific definitions for x-ray

x-ray

A high-energy stream of electromagnetic radiation having a frequency higher than that of ultraviolet light but less than that of a gamma ray (in the range of approximately 1016 to 1019 hertz). X-rays are absorbed by many forms of matter, including body tissues, and are used in medicine and industry to produce images of internal structures. See more at electromagnetic spectrum.

An image of an internal structure, such as a body part, taken with x-rays.

单词	x-ray
释义	x-ray or X-ray [ eks-rey ] / ˈɛksˌreɪ / SEE SYNONYMS FOR x-ray ON THESAURUS.COM noun Also x ray, X ray. Physics. Often x-rays. a form of electromagnetic radiation, similar to light but of shorter wavelength and capable of penetrating solids and of ionizing gases. such radiation having wavelengths in the range of approximately 0.1–10 nanometers. a radiograph made by x-rays. (initial capital letter) a word in communications to represent the letter X. verb (used with object) to examine, photograph, or treat with x-rays. adjective of or relating to x-rays: x-ray examination of the digestive tract. able to see through objects that are opaque:the x-ray vision of Superman and other superheroes. able to clearly and keenly perceive or recognize something that is not outwardly visible: a teacher with x-ray intuition about her students. Origin of x-ray First recorded in 1895–1900; translation of German X-Strahl (1895), the name originally given to the rays by Röntgen, their discoverer, x signifying their unknown nature Words nearby x-ray XQ, xr, x-radiate, x-radiation, X-rated, x-ray, x-ray astronomy, X-ray binary, x-ray binary star, x-ray burster, x-ray crystallography Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for x-ray An x-ray two hours later confirms my hunch: my tibia (the big bone behind the shin) is snapped clean in two. You’re Never ‘Cured’ of an Eating Disorder\|Carrie Arnold\|December 20, 2014\|DAILY BEAST (It has subsequently become standard procedure to X-ray a body as part of an autopsy). The Myth of the Central Park Five\|Edward Conlon\|October 19, 2014\|DAILY BEAST The three astronomers argued persuasively that the rhythm of X-ray bursts they measured is most likely due to the M82 X-1. The Goldilocks of Black Holes\|Matthew R. Francis\|August 24, 2014\|DAILY BEAST Thus, the SHU was chock full of contraband, because all the x-ray machines were used by the clinics and not the guards. Patted Down by India’s Hugging Saint\|Daniel Genis\|July 20, 2014\|DAILY BEAST However, researchers measured a decrease in X-ray emission last year: something new was blocking the light from reaching us. The Supermassive Black Hole Smokescreen\|Matthew R. Francis\|June 22, 2014\|DAILY BEAST They seemed to pierce her with an X-ray quality of comprehension. The Bartlett Mystery\|Louis Tracy You have all you can do attending to the grub question, said X-Ray, sternly. Phil Bradley's Snow-shoe Trail\|Silas K. Boone When the X-ray picture revealed his secret he sobbed out, "He didn't mean to do it." News Writing\|M. Lyle Spencer The X-ray moves in straight lines, I understand, while light has a wave motion. The Tyranny of the Dark\|Hamlin Garland "The Koerting; so it is," said the Baron, when shown the X-ray photograph of his calf. Punch or the London Charivari, Vol. 147, July 8, 1914\|Various British Dictionary definitions for x-ray X-ray x-ray noun electromagnetic radiation emitted when matter is bombarded with fast electrons. X-rays have wavelengths shorter than that of ultraviolet radiation, that is less than about 1 × 10 –8 metres. They extend to indefinitely short wavelengths, but below about 1 × 10 –11 metres they are often called gamma radiation (as modifier)X-ray astronomy a picture produced by exposing photographic film to X-rays: used in medicine as a diagnostic aid as parts of the body, such as bones, absorb X-rays and so appear as opaque areas on the picture (usually capital) communications a code word for the letter x verb (tr) to photograph (part of the body, etc) using X-rays to treat or examine by means of X-rays Word Origin for X-ray C19: partial translation of German X-Strahlen (from Strahl ray), coined by W. K. Roentgen in 1895 Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Words related to x-ray radioactivity, radiograph, actinism, encephalogram, fluoroscope, cathode rays, refractometry Cultural definitions for x-ray (1 of 2) x-ray A form of electromagnetic radiation with very high frequency and energy. X-rays lie between ultraviolet radiation and gamma radiation on the electromagnetic spectrum. notes for x-ray Because x-rays can travel through solid material and affect photographic plates, they are widely used in diagnosing medical problems. notes for x-ray Objects in the sky also send out x-rays in processes that use very high energy. Cultural definitions for x-ray (2 of 2) x-ray A photograph or image obtained through the use of x-rays. An x-ray is taken when an image of internal body structures (such as bones or organs) is needed to diagnose disease or determine the extent of injuries. The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. Medical definitions for x-ray x-ray n. A relatively high-energy photon with wavelength in the approximate range from 0.01 to 10 nanometers.roentgen ray A stream of such photons used for their penetrating power in radiography, radiology, radiotherapy, and scientific research. Often used in the plural.roentgen ray A photograph taken with x-rays. v. To irradiate with x-rays. To photograph with x-rays. The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company. Scientific definitions for x-ray x-ray A high-energy stream of electromagnetic radiation having a frequency higher than that of ultraviolet light but less than that of a gamma ray (in the range of approximately 1016 to 1019 hertz). X-rays are absorbed by many forms of matter, including body tissues, and are used in medicine and industry to produce images of internal structures. See more at electromagnetic spectrum. An image of an internal structure, such as a body part, taken with x-rays. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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x-ray

or X-ray

noun Also x ray, X ray.

verb (used with object)

adjective

Origin of x-ray

Words nearby x-ray

Example sentences from the Web for x-ray

British Dictionary definitions for x-ray

x-ray

noun

verb (tr)

Word Origin for X-ray

Words related to x-ray

Cultural definitions for x-ray (1 of 2)

notes for x-ray

notes for x-ray

Cultural definitions for x-ray (2 of 2)

Medical definitions for x-ray

n.

v.

Scientific definitions for x-ray