Dictionary › R › radon

radon

2 syllables
Quick answer

As a noun, radon means the chemical element (symbol Rn, formerly Ro) with atomic number 86. It is an odorless, colorless, chemically inert but radioactive noble gas.

Meanings of radon

3 meanings

noun

  1. The chemical element (symbol Rn, formerly Ro) with atomic number 86. It is an odorless, colorless, chemically inert but radioactive noble gas.

  2. Radon-222 (22286Rn), the most stable isotope of this element,.

  3. A radioactive gaseous element formed by the disintegration of radium; the heaviest of the inert gasses; occurs naturally (especially in areas over granite) and is considered a hazard to health

    Similar: Rn, atomic number 86

Meanings from Wiktionary (CC BY-SA 4.0) and Open English WordNet (CC BY 4.0).

Synonyms by meaning

noun: a radioactive gaseous element formed by the disintegratio…
Rnatomic number 86

For word games

r1
a1
d2
o1
n1
Scrabble & Words With Friends: valid word6 points before bonuses.Five letters: a possible Wordle answer.
Unscramble these letters

Nearby words