contrast medium

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noun Medicine/Medical.

a radiopaque substance injected into a part of the body, as the stomach or duodenum, to provide a contrasting background for the tissues in an x-ray or fluoroscopic examination.

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Origin of contrast medium

First recorded in 1950–55

Words nearby contrast medium

contrast agent, contrast bath, contrast enema, contrastive, contrastive stress, contrast medium, contrast stain, contrasty, contrasuggestible, contrate, contravallation

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

How to use contrast medium in a sentence

“After the New York mentality, it is the ultimate contrast to see people making things by hand,” he said.
The Photographer Who Gave Up Manhattan for Marrakech|Liza Foreman|January 6, 2015|DAILY BEAST
In contrast, Boehner's leadership team filed into his ceremonial office and greeted the teary newly-elected Speaker with hugs.
Democrats Accidentally Save Boehner From Republican Coup|Ben Jacobs, Jackie Kucinich|January 6, 2015|DAILY BEAST
By contrast, John McCain, the eventual GOP nominee, had raised approximately $12.7 million in the first quarter of 2007 alone.
Can Huckabee Convert the GOP’s Moneymen?|Lloyd Green|January 4, 2015|DAILY BEAST
In contrast to Paul, Huckabee has never palled around with Al Sharpton.
Can Huckabee Convert the GOP’s Moneymen?|Lloyd Green|January 4, 2015|DAILY BEAST

By contrast, a gun will allow a pilot to attack hostile forces that are less than 300 feet from friendly ground forces.
New U.S. Stealth Jet Can’t Fire Its Gun Until 2019|Dave Majumdar|December 31, 2014|DAILY BEAST
The medium pitch expresses warmth, emotion, and the heart qualities.
Expressive Voice Culture|Jessie Eldridge Southwick
But the contrast thus presented is one that has acquired a new meaning in the age in which we live.
The Unsolved Riddle of Social Justice|Stephen Leacock
In contrast to the Widal, it begins to fade about the end of the second week, and soon thereafter entirely disappears.
A Manual of Clinical Diagnosis|James Campbell Todd
They vary greatly in size, being sometimes so small as to seem mere points of light with medium-power objectives.
A Manual of Clinical Diagnosis|James Campbell Todd
At present this medium is paper money depreciated, as in the case of the Reichsbank notes, by nearly 30 per cent.
Readings in Money and Banking|Chester Arthur Phillips

British Dictionary definitions for contrast medium

contrast medium

noun

med a radiopaque substance, such as barium sulphate, used to increase the contrast of an image in radiography

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

Medical definitions for contrast medium

contrast medium

A substance, such as barium or air, used in radiography to increase the contrast of an image. A positive contrast medium absorbs x-rays more strongly than the tissue or structure being examined; a negative contrast medium, less strongly.contrast agent

Scientific definitions for contrast medium

contrast medium

[ kŏn′trăst′ ]

A substance, such as barium or air, used in radiologic studies to increase the contrast of an image. In x-ray imaging, a positive contrast medium absorbs x-rays more strongly than the tissue or structure being examined; a negative contrast medium, less strongly.