The Collaborative International Dictionary
Indissolubility
Indissolubility \In*dis`so*lu*bil"i*ty\, n. [Cf. F. indissolubilit['e].] The quality or state of being indissoluble.
Douglas Harper's Etymology Dictionary
indissolubility
1670s, from indissoluble + -ity.
Wiktionary
indissolubility
n. The quality or state of being indissoluble.