Full Definition of POTASSIUM. : a silver-white soft light low-melting monovalent metallic element of the alkali metal group that occurs abundantly in nature especially combined in minerals â see element table. See potassium defined for English-language learners. See potassium defined for kids.ADVERTISEMENT. a silver-white soft light low-melting monovalent metallic element of the alkali metal group that occurs abundantly in nature especially combined in minerals â see element table. See potassium defined for English-language learners. See potassium defined for kids. ADVERTISEMENT.
Corydon, Indiana. Corydon is a town in Harrison Township, Harrison County, Indiana, United States. It was founded in 1808. Corydon was the second capital of the Indiana Territory, from May 1, 1813, until December 11, 1816. When Indiana became a US state in 1816, Corydon became Indiana's first state capital.
Linden, Michigan Genesee County. The first settlers in what is now the corporation of Lindon were Richard and Perry Lamb, and the first white woman in the place was the wife of the latter, who still resides in the village. These persons settled on section 20, in the fall of 1835.