Meaning of decay time | Babel Free
Definitions
The amount of time required for a collection of atoms of a specific radionuclide to decay to a fraction of the initial number, equivalent to 1/e, where e = 2.71828.
countable, uncountable
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.