(adj) caused by or altered by or manifesting disease or pathology, Syn. morbid, pathological, pathologic, Example:diseased tonsils; a morbid growth; pathologic tissue; pathological bodily processes
n. [ Cf. F. pathologiste. ] One skilled in pathology; an investigator in pathology; as, the pathologist of a hospital, whose duty it is to determine the causes of the diseases. [ 1913 Webster ]