Meaning of observationally stable | Babel Free
Definitions
Of a nuclide (isotope): theoretically capable of radioactive decay (on the grounds that it would be energy-profitable), but not having been observed to do so.
not-comparable
CEFR level
B2
Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.
This word is part of the CEFR B2 vocabulary — upper intermediate level.