pathogen /pathˈō-jen/ noun

An organism or substance that causes disease

pathogenˈesis or pathogeny /pə-thojˈə-ni/ noun

(mode of) production or development of disease

pathogenetic /path-ō-ji-netˈik/ or pathogenic /-jenˈik/ adjective

Producing disease

pathogenicity /-isˈi-ti/ noun

The quality of producing or the ability to produce disease

pathogˈenous adjective same as pathogenetic above

pathognomonˈic /-og-nō-/ adjective

(Gr gnōmōn judge, index) indicative of a particular disease

pathogˈnomy noun

pathogˈraphy noun

1. A description of or article on a disease
2. Abnormality

pathologˈic adjective

pathologˈical adjective

1. Relating to pathology
2. Relating to or caused by disease
3. (loosely) habitual or compulsive

pathologˈically adverb

patholˈogist noun

A person skilled in pathology, usu having as a duty the performing of post-mortems

patholˈogy noun

1. The study of diseases or abnormalities or, more particularly, of the changes in tissues or organs that are associated with disease
2. A deviation from the normal, healthy state

pathophoˈbia noun

(Gr phobos fear) morbid fear of disease

pathophysiolˈogy noun

The physiological disorder caused by a disease or injury