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Showing results for radiopaque. Search instead for radio-opaque.

radiopaque

American  
[rey-dee-oh-peyk] / ˌreɪ di oʊˈpeɪk /

adjective

  1. opaque to radiation; visible in x-ray photographs and under fluoroscopy (opposed to radiotransparent).


radiopaque British  
/ ˌreɪdɪəʊˈpeɪk, ˌreɪdɪəʊˈpæsɪtɪ /

adjective

  1. not permitting X-rays or other radiation to pass through

"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

Other Word Forms

Etymology

Origin of radiopaque

First recorded in 1925–30; radi(o)- + opaque

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Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

A radiopaque substance was injected into the coronary vessels, and X-ray pictures were taken, revealing a blood clot.

From Time Magazine Archive

To guard against clots, he flushed out the whole artery-vein system with a special saline solution combined with antibiotics, an anticoagulant and a radiopaque dye.

From Time Magazine Archive

Injections of radiopaque dye also help X rays to show whether arteries have been displaced or damaged enough to deprive part of the brain of its blood supply.

From Time Magazine Archive

If a woman has certain radiopaque dyes injected for gall-bladder X rays, for example, a baby that she bears several years later may have an abnormal level of iodine in the blood.

From Time Magazine Archive

A second diagnostic advance comes from use of radiopaque dyes, which are injected into arteries leading to the brain: X rays help to locate obstructions to circulation resulting from thromboses and especially aneurysms.

From Time Magazine Archive

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