TRITIUM

Pronunciation (US):

(GB):

 I. (noun) 

Sense 1

Meaning:

A radioactive isotope of hydrogen; atoms of tritium have three times the mass of ordinary hydrogen atoms

Classified under:

Nouns denoting substances

Hypernyms ("tritium" is a kind of...):

atomic number 1; H; hydrogen (a nonmetallic univalent element that is normally a colorless and odorless highly flammable diatomic gas; the simplest and lightest and most abundant element in the universe)

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