the branch of medicine concerned with the cause, origin, and nature of disease, including the changes occurring as a result of disease the manifestations of disease, esp changes occurring in tissues or organs
WordReference Random House Learner's Dictionary of American English © 2025
pa•thol•o•gy /pəˈθɑlədʒi/USA pronunciation
n., pl. -gies.
pa•thol•o•gist, n. [countable]See -path-.
WordReference Random House Unabridged Dictionary of American English © 2025- Pathology[uncountable] the study of diseases.
- Pathology[countable] any condition that is not healthy or normal.
pa•thol•o•gist, n. [countable]See -path-.
pa•thol•o•gy
(pə thol′ə jē),USA pronunciation n., pl. -gies.
pa•thol′o•gist, n.
- Pathologythe science or the study of the origin, nature, and course of diseases.
- Pathologythe conditions and processes of a disease.
- Pathologyany deviation from a healthy, normal, or efficient condition.
- Greek pathología. See patho-, -logy
- Latin
- earlier pathologia 1590–1600
Collins Concise English Dictionary © HarperCollins Publishers::
'pathology' also found in these entries (note: many are not synonyms or translations):
-rrhagia
- -rrhoea
- Krafft-Ebing
- Munchausen syndrome
- Virchow
- anatomical pathology
- atonic
- clinical pathology
- clinicopathologic
- cytopathology
- forensic medicine
- histopathology
- iatrochemistry
- immunopathology
- lithology
- macro-
- micro-
- micropathology
- neuropathology
- neuroscience
- organic
- path
- path.
- patho-
- pathol.
- pathologic anatomy
- pathological
- physiopathology
- phytopathology
- plant pathology
- psychopathology
- social pathology
- speech pathology