radiopaque

[rey-dee-oh-peyk]

adjective

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

radiopaque

/ ˌreɪdɪəʊˈpeɪk, ˌreɪdɪəʊˈpæsɪtɪ /

adjective

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

Other Word Forms

• radiopacity noun

Word History and Origins

Origin of radiopaque¹

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

Example Sentences

Each sponge is also tagged with a radiopaque marker so it can be easily spotted using X-ray and removed at a later date.

Read more on The Verge

Jablonski’s stent is made of a platinum-chromium alloy, which makes it radiopaque, meaning it can be seen by an X-ray machine.

Read more on Washington Post