(physics) A naturally-occurring radioactive isotope of potassium, ⁴⁰₁₉K, having nineteen protons and twenty-one neutrons, and a half-life of 1.3 billion years; it is the chief source of natural rad...

A city in northwest Calhoun County, Michigan, United States. / A river in Michigan, a tributary of the Kalamazoo River. / A city in Ida County, Iowa. / A city in Madison County, Nebraska.

An extreme capitalist.

present participle of hock