Noun
a salt of magnesium
Source: WordNetThe magnesium compound magnesium sulfate was first discovered in 1618 by a farmer at Epsom in England. Source: Internet
Organic growth factors included in chemically defined medium used to grow E. coli includes glucose, ammonium phosphate, mono basic, sodium chloride, magnesium sulfate, potassium phosphate, dibasic, and water. Source: Internet