[ rey-dee-oh-loo-suhnt ]

  1. almost entirely transparent to radiation; almost entirely invisible in x-ray photographs and under fluoroscopy.

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Origin of radiolucent

First recorded in 1915–20; radio- + lucent

Other words from radiolucent

  • ra·di·o·lu·cence, ra·di·o·lu·cen·cy, noun

Words Nearby radiolucent Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

How to use radiolucent in a sentence

  • The creature must be largely transparent to visible light, as human flesh is radiolucent to hard X-rays.

    Salvage in Space | John Stewart Williamson

British Dictionary definitions for radiolucent


/ (ˌreɪdɪəʊˈluːsənt) /

  1. 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