noun
- a radioactive chemical element that is a colorless, odorless gas produced by the decay of radium
Usage: chemistry
Examples
- Radon gas can accumulate in basements and pose health risks.
- The EPA recommends testing homes for radon levels.
- Radon is the second leading cause of lung cancer after smoking.
- Granite countertops may emit small amounts of radon.
- Radon detectors should be placed in the lowest living area of a home.
- The radon concentration in this area exceeds safe levels.