Lewis & Short

dissŏcĭābĭlis, e, adj. [dissocio]. * Act., separating, dividing: Oceanus, Hor. C. 1, 3, 22.

    1. 2. Pass., that cannot be united, irreconcilable, incompatible: olim res miscere, Tac. Agr. 3: corpus, Claud. in Ruf. 2, 238.