potassium-argon dating en · NOUN
Meanings
- (uncountable, usually) A method of estimating the age of igneous rocks or of archaeological objects by measuring the amount of argon that has built up through the radioactive decay of potassium.
Forms
| Spelling | Features | Labels | Source |
|---|---|---|---|
| potassium-argon datings | Number=Plur | lexicographic |