Lexico Unisciel english version

Piece of laboratory glassware used in liquid-liquid extractions to separate (partition) the components of a mixture into two immiscible solvent phases of different densities[1] Typically, one of the phases will be aqueous, and the other a non-polar lipophilic organic solvent. A separating funnel takes the shape of a cone with a hemispherical end. It has a stopper at the top and stopcock (tap), at the bottom.