radon
2 synonyms for radon, grouped by meaning and by how common each one is.
Noun — A colorless, odorless, radioactive noble gas (symbol Rn) that can build up in basements and poses a health risk.
Synonyms
Less common
Still standard English, but they carry more weight.
Rare, literary or technical
Precise, but they will stand out — check the sense before using one.
atomic number 86
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.
