Quat 1362212 131445139 2007-05-17T01:57:08Z Cacycle 83784 * [[Quaternary ammonium cation]], a class of chemical molecules '''Quat''' may refer to: * [[Quaternary ammonium cation]], a class of chemical molecules * [[Quaternion]], a non-commutative extension of the complex numbers * [[Khat]], an African plant whose leaves are chewed as a stimulant * [[Phan Huy Quat]], former prime minister of South Vietnam * ''Quat'' an [[open source]] quaternion formula displayer {{disambig}}