Definition of radon Radon

/ɹejˈdɑˌn/ - [reydan] - ra•don

We found 5 definitions of radon from 5 different sources.

What does radon mean?

Noun Plural: radons
radon - 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
		Rn, atomic number 86
		chemical element, element the most favorable environment for a plant or animal; "water is the element of fishes"

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radon (Noun)
A radioactive chemical element symbol Rn, formerly Ro with atomic number 86, one of the noble gas es.

radon
A radioactive gaseous element emitted naturally from rocks and minerals where radioactive elements are present. It is released in non-coal mines, e.g. tin, iron, fluorspar, uranium. Radon is an alpha particle emitter as are its decay products and has been indicted as a cause of excessive occurrence of lung cancer in uranium miners. Concern has been expressed at radon levels in some housing usually adjacent to granite rocks or old tin mining regions.\n(Source: PORT)

Radon is element 86 on the periodic table. Its symbol is Rn.

Radon is a gas and is part of the group known as the noble gases. It does not react with other elements, so it is found pure.

Radon is radioactive, meaning that it can give off harmful rays. Some people have high levels of radon in their houses, and this can be very dangerous. A lot of radon can get stuck in the basement of old houses, and so people end up breathing it in. It gets stuck in the lungs and has been known to cause cancer. There are groups that try to make sure there is no dangerous radon in houses.

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radon in sign language