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ATOMIC NUMBER 86
Dictionary entry overview: What does atomic number 86 mean?
• ATOMIC NUMBER 86 (noun)
The noun ATOMIC NUMBER 86 has 1 sense:
1. 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
Familiarity information: ATOMIC NUMBER 86 used as a noun is very rare.
Dictionary entry details
Sense 1
Meaning:
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
Classified under:
Nouns denoting substances
Synonyms:
Hypernyms ("atomic number 86" is a kind of...):
chemical element; element (any of the more than 100 known substances (of which 92 occur naturally) that cannot be separated into simpler substances and that singly or in combination constitute all matter)
argonon; inert gas; noble gas (any of the chemically inert gaseous elements of the helium group in the periodic table)
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