dissŏcĭātĭo, ōnis, f. [dissocio],
a separation (post-Aug.), Plin. 6, 1, 1, § 2; 7, 13, 11, § 57; Tac. A. 16, 34.
dissociātiō ōnis, f dissocio, a separation : spiritūs corporisque, Ta. ...
An Elementary Latin Dictionary