stereotactic Syllabification: (ster·e·o·tac·tic)Pronunciation: /ˌsterēəˈtaktik, ˌsti(ə)r-/ (also stereotaxic /-ˈtaksik/)Definition of stereotactic adjective relating to or denoting techniques for surgical treatment or scientific investigation that permit the accurate positioning of probes inside the brain or other parts of the body, based on three-dimensional diagrams. Derivatives stereotactically adverb stereotactic in other Oxford dictionaries Definition of stereotactic in the British & World English dictionary