Etymology
Advertisement

radon (n.)

the heaviest gaseous element, short-lived and radioactive, 1918, from German Radon, from radium (q.v.) + -on suffix of inert gases. The element was identified in radioactive decay of radium. Alternative name niton (from Latin nitens "shining") gained currency in France and Germany.

Entries linking to radon

radium (n.)

radioactive metallic alkaline earth element, 1899, from French radium, formed in Modern Latin from Latin radius "ray" (see radius). With metallic element ending -ium. Named 1898 after identification by Marie Curie and her husband; so called for its power of emitting energy in the form of rays.

Advertisement
Advertisement
Definitions of radon

radon (n.)
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;
Synonyms: Rn / atomic number "
From wordnet.princeton.edu

Dictionary entries near radon

radiotherapy

radish

radium

radius

Radnor

radon

radula

raffia

raffish

raffle

Rafflesia

© 2001-2022 Douglas Harper