The Collaborative International Dictionary
Immiscibility
Immiscibility \Im*mis"ci*bil"i*ty\, n. [Cf. F. immiscibilit['e].] Incapability of being mixed, or mingled.
Wiktionary
immiscibility
n. 1 (context uncountable English) The condition of being immiscible 2 (context countable English) A measure of the degree to which a mixture of components is immiscible