stereogram Syllabification: (ster·e·o·gram)Pronunciation: /ˈsterēəˌgram, ˈsti(ə)r-/Definition of stereogram noun 1a diagram or computer-generated image giving a three-dimensional representation of a solid object or surface. 2another term for stereograph (see stereography).stereogram in other Oxford dictionaries Definition of stereogram in the British & World English dictionary