Ammonium cation: The cation of molecular formula NH 4 + (i.e., the conjugate acid of ammonia). Can also refer to any cation in which nitrogen has four single bonds and a positive formal charge, such as the tetra methyl ammonium cation.
Arden /ar-den/ [2 sylls.] as a girls' name (also used as boys' name Arden) is pronounced AR-den. It is of Latin origin, and the meaning of Arden is great forest. Literary: the Forest of Arden in Shakespeare's As You Like It was a magically beautiful place.
Biographical information. 1  Surname: Arden Lyn. 2  Nickname: 3  Homeworld: 4  Birth: 5  Death: Betw. 4 ABYâ10 ABY. 6  Friends; Boyfriend: Xendor. 7  Families; Spouse; Husbands: Sith'ari, Sith Emperor of the True Sith Empire and Dark Council.