almost entirely transparent to radiation; almost entirely invisible in x-ray photographs and under fluoroscopy.
Origin of radiolucent
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for radiolucent
Historical Examples of radiolucent
The creature must be largely transparent to visible light, as human flesh is radiolucent to hard X-rays.Salvage in Space
John Stewart Williamson
almost transparent to electromagnetic radiation, esp X-rays
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
Characterized by allowing passage of x-rays or other radiation; not radiopaque.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.