potassium-argon dating
A method of estimating the age of igneous rocks or of archaeological objects by…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.
Meaning
1 senses(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.
geological dating that relies on the proportions of radioactive potassium in a rock sample and its decay product, argon
Forms
plural: potassium-argon datings| Singular | potassium-argon dating |
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uncountable
Lessons for this word
1 lessons- A1Countable and uncountable nouns — Because it can be uncountable