Etymology Explorer › English

Where does “radiopaque” come from?

Radiopaque is a Modern English compound of radio- and opaque, ultimately from Latin opacus meaning shaded or dark.

radiopaque (English): impenetrable to X-rays and other radiation

Definitions

  1. impenetrable to X-rays and other radiation

Ancestry of “radiopaque”, step by step

StepLanguageWordMeaning
1EnglishopaqueNeither reflecting nor emitting light; Allowing...
2Frenchopacitéopacity; opaqueness
3Latinopacitasshadiness, shade
4Latin-tās—
5Proto-Indo-European-teh₂tsUsed to form nouns representing state of being
6Proto-Indo-European-teh₂Used to form nouns representing state of being
7Proto-Indo-European-tósCreates verbal adjectives from verb stems

Words derived from “radiopaque”

  • nonradiopaque
Every word from Proto-Indo-European -tós →