Wiktionary
argon-36
n. (context isotope English) A rare stable isotope of argon, (nuclide 36 18 Ar), having eighteen protons and eighteen neutrons; it amounts to about 0.3% of the element in nature
Usage examples of "argon-36".
On the other hand, argon-36 is primordial and should have decayed to a level like Earth’s.
On the other hand, argon-36 is primordial and should have decayed to a level like Earth's.