Word.ws English Dictionary

exradio

exradio is the obsolete form of radon (“radon-222”), an isotope of radon.

Meaning of radon

Noun

radon (uncountable)

  1. The chemical element (symbol Rn, formerly Ro) with atomic number 86. It is an odorless, colorless, chemically inert but radioactive noble gas.
    1. (countable) An atom of this element.
  2. Radon-222 (22286Rn), the most stable isotope of said element.

See all 5 meanings of radon

Origin of exradio

From Latin ex (“from”) + radio (“radium”).

Questions about exradio

What is exradio the obsolete form of radon (“radon-222”), an isotope of?
Exradio is the obsolete form of radon (“radon-222”), an isotope of radon.

Words near exradio in the dictionary

  1. exquisitism
  2. exquisitive
  3. exquisitively
  4. exquisitiveness
  5. exradii
  6. exradio
  7. exradius
  8. exraphidian
  9. exRNA
  10. exRNAs
  11. exrx

Source and license

Adapted from Wiktionary: exradio (page history and authors); radon (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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Cite this entry: “exradio.” Word.ws, https://word.ws/exradio. Based on Wiktionary, CC BY-SA 4.0.