Element and Rn

Element noun - One of the parts that make up a whole.

Rn and element are semantically related. In some cases you can replace term "Rn" with "Element", this nouns are similar.

Nearby Words: elementary, elemental, elementally, elementarily

Rn noun - 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.

Element and Rn are semantically related. You can use "Element" instead a noun "Rn".