Wiktionary
n. 1 (context uncountable English) A method of determining the age of objects or material using the decay rates of radioactive components such as potassium-argon. 2 (context countable English) An instance of so doing.
WordNet
n. measurement of the amount of radioactive material (usually carbon 14) that an object contains; can be used to estimate the age of the object
Usage examples of "radioactive dating".
The radioactive dating of that impact crater is probably close-but in any case, if the crater is missing, you're too early by some centuries.
The radioactive dating of that impact crater is probably close-but in any case, if the crater is missing, you’.
If the radioactive dating of the deaths of the Orion civilizations was correct, as it almost surely was-and if the assumption was correct, which was sheer speculation -then the madness had taken two hundred years to ap-pear on its second victim-world, less than a century to crop up a third tune, and the next outbreak was due with-in the next month.
Geological stratification and radioactive dating provide information on archaeological, paleontological and geological events.
Lord Mallory has long since modified the radical Catastrophist doctrines of his youth, gracefully abandoning the discredited notion that the Earth is no more than three hundred thousand years old -- radioactive dating having proven otherwise.