Definition of Atomic Number 86 in English :
Define Atomic Number 86 in English
Atomic Number 86 meaning in English
Meaning of Atomic Number 86 in English
Pronunciation of Atomic Number 86 in English
Atomic Number 86 pronunciation in English
Pronounce Atomic Number 86 in English
Atomic Number 86
see synonyms of atomic number 86Noun
1. atomic number 86, radon, rn
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
WordNet Lexical Database for English. Princeton University. 2010.