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radiopaque

[rey-dee-oh-peyk] /ˌreɪ di oʊˈpeɪk/
adjective
1.
opaque to radiation; visible in x-ray photographs and under fluoroscopy (opposed to radiotransparent).
Compare radiolucent.
Origin of radiopaque
1925-1930
First recorded in 1925-30; radi(o)- + opaque
Related forms
radiopacity
[rey-dee-oh-pas-i-tee] /ˌreɪ di oʊˈpæs ɪ ti/ (Show IPA),
noun
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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British Dictionary definitions for radiopacities

radiopaque

/ˌreɪdɪəʊˈpeɪk/
adjective
1.
not permitting X-rays or other radiation to pass through
Derived Forms
radiopacity (ˌreɪdɪəʊˈpæsɪtɪ), radio-opacity, noun
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
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radiopacities in Medicine

radiopaque ra·di·o·paque (rā'dē-ō-pāk')
adj.
Relatively impenetrable by x-rays or other forms of radiation.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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