Compare with miscible and partial miscibility .Two liquids are considered "immiscible" or unmixable if shaking equal volumes of the liquids together results in a meniscus visible between two layers of liquid. If the liquids are completely immiscible, the volumes of the liquid layers are the same as the volumes of liquids orginally added to the mixture.
IMMISCIBLE (IMMISCIBILITY)
Meaning of IMMISCIBLE (IMMISCIBILITY) in English
General chemistry English glossary. Английский глоссарий общей химии. 2012