    the meaning is soft, silver-white, highly or explosively reactive metallic element that occurs in nature only in compounds. It is obtained by electrolysis of its â¦ common hydroxide and found in, or converted to, a wide variety of salts used especially in fertilizers and soaps. pottasium got its name from the latin word potash as potassium was first isolated from potash. Potash is an impure form of potassium.
For the adjacent town, see Cottage Grove (town), Wisconsin. Cottage Grove is a village in Dane County, Wisconsin, United States. The population was 6,248 at the 2010 census. A suburb of Madison, it shares a school district with Monona. The village is located within the Town of Cottage Grove.
Cottage Grove post office was established in 1855 east of present-day Creswell. The office was named by its first postmaster, G. C. Pearce, whose home was in an oak grove. In 1861, the office was moved to the present site of Saginaw.