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radon

0 antonyms and opposites of radon, grouped by meaning.

Noun — A colorless, odorless, radioactive noble gas (symbol Rn) that can build up in basements and poses a health risk.

How to use radon

The word patterns that sound natural to a native speaker.

radon gas radon testing radon exposure

Etymology

A contraction of "radium emanation", since the gas is produced by radium's radioactive decay.

Full origin of radon →

Frequently asked questions

What does “radon” mean?

The word “radon” means a colorless, odorless, radioactive noble gas (symbol Rn) that can build up in basements and poses a health risk. In plain terms, a radioactive gas that occurs naturally in soil and rock and can seep into homes.

How do you pronounce “radon”?

“Radon” is pronounced RAY-don (/ˈɹeɪdɒn/ in IPA).

How do you use “radon” in a sentence?

Here is “radon” used in a sentence: “They tested the basement for radon before buying the house.”

What part of speech is “radon”?

“Radon” is a noun.

Related words

actinon radium radium emanation

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Synonyms and antonyms from Wiktionary, CC BY-SA.