Definition of pathology
- studied plant pathology
- the pathology of pneumonia
- the pathology of wine
- connections between these pathologies … and crime
- —Wendy Kaminer
- social pathology
the pathology of lung diseases
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'pathology.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
: the study of diseases and of the changes that they cause
: changes in a person, an animal, or a plant that are caused by disease
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