# Definition of potassium-argon

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**potassium-argon**" is probably misspelled. Trying**potassium-argon_dating**instead**Definition of potassium-argon_dating****1.** potassium-argon_dating [ n ] geological dating that relies on the proportions of radioactive potassium in a rock sample and its decay product, argon

**Synonyms**potassium-argon_dating

**Related Terms**dating

### Similar Spelling

potassium_alumpotassium_nitrate

potassium_cyanide

potassium_chlorate

potassium_iodide

potassium_bromide