Word.ws English Dictionary

radio-opaque

radio-opaque is the alternative form of radiopaque.

Meaning of radiopaque

Adjective

radiopaque (comparative more radiopaque, superlative most radiopaque)

  1. Impenetrable to X-rays and other radiation.
    • We may coin the word ‘radiopaque’, and it would definitely mean ‘impervious to the X-ray’.[…]. From radiopaque we would likewise have the useful term radiopacity.[1917, R. Ottolengui, Dental Items of Interest, volume 39, quoted in OED, Dental Items of Interest Publishing Company, page 143
    Antonyms:
    radiolucent

Forms of radio-opaque

comparativemore radio-opaque
superlativemost radio-opaque

Questions about radio-opaque

What is radio-opaque the alternative form of?
Radio-opaque is the alternative form of radiopaque.

Words near radio-opaque in the dictionary

  1. radio-luminous
  2. radio-nucleide
  3. radio-nucleides
  4. radio-nuclide
  5. radio-nuclides
  6. radio-opaque
  7. radio-quiet
  8. radio-spectrograph
  9. radio-spectrographs
  10. radio-tag
  11. radio-tagged

Source and license

Adapted from Wiktionary: radio-opaque (page history and authors); radiopaque (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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