pa·thol·o·gy 
/pəˈθɑ:ləʤi/ noun
/pəˈθɑ:ləʤi/ noun [noncount] technical 1 : the study of diseases and of the changes that they cause
▪ a professor of pathology ▪ plant pathology 2 : changes in a person, an animal, or a plant that are caused by disease
▪ the pathology of lung diseases
▪ a professor of pathology ▪ plant pathology
▪ the pathology of lung diseases
