Entry 2 senses Webster, 1913 Pathologic /păthˌ-əl-äj'-ĭk/ · Path·o·log·ic · IPA /pˌæθəlˈɑdʒɪk/ 01 a. Of or pertaining to pathology. 1. Of or pertaining to pathology. 2. caused by or due to disease; abnormal; morbid; as, pathological tissue; a pathological condition.(Med.)