ell: Ραδόνιο

Information
has URI	http://lexvo.org/id/term/ell/%CE%A1%CE%B1%CE%B4%CF%8C%CE%BD%CE%B9%CE%BF

Meaning
means	(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 Rn, radon, atomic number 86