Definition of potassium–argon dating in English:

potassium–argon dating

Syllabification: po·tas·si·um–ar·gon dat·ing

noun

Geology
  • A method of dating rocks from the relative proportions of radioactive potassium-40 and its decay product, argon-40.
    More example sentences
    • Using Potassium-Argon dating, the newly formed rocks gave ages between 0.5 and 2.8 million years.
    • Basically, using Potassium-Argon dating, the scientists who erred found halos, or areas in the their samples that were of different geologic ages.
    • We now consider in more detail one of the problems with potassium-argon dating, namely, the branching ratio problem.

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Pronunciation: skōSH
noun
a small amount; a little