potassium-argon dating potassium amide • potassium bicarbonate · · · Info · Definitions · Characters · · potassium-argon dating · · Text Common · · Latin · · Scripts 22 · · Length 8 · · Syllables Definitions · · · (noun) geological dating that relies on the proportions of radioactive potassium in a rock sample and its decay product, argon. Synonyms: potassium-argon dating. · · Noun Definition 1 Characters · · space U+0020 - hyphen-minus U+002D a latin small letter a U+0061 d latin small letter d U+0064 g latin small letter g U+0067 i latin small letter i U+0069 m latin small letter m U+006D n latin small letter n U+006E o latin small letter o U+006F p latin small letter p U+0070 r latin small letter r U+0072 s latin small letter s U+0073 t latin small letter t U+0074 u latin small letter u U+0075