1. [adj]  caused by or altered by or manifesting disease or pathology; "diseased tonsils"; "a morbid growth"; "pathologic tissue"; "pathological bodily processes"
2. [adj]  of or relating to the practice of pathology; "pathological laboratory"

PATHOLOGIC is a 10 letter word that starts with P.

1. \Path`o*log"ic\, Pathological \Path`o*log"ic*al\, a.
   (Med.)
   Morbid; due to disease; abnormal; as, pathological tissue; a
   pathological condition.
   
   

2. \Path`o*log"ic\, Pathological \Path`o*log"ic*al\, a.
   [Gr. ?: cf. F. pathologique.]
   Of or pertaining to pathology. -- {Path`o*log"ic*al*ly}, adv.