from The American Heritage® Dictionary of the English Language, 4th Edition
- n. The study of the microscopic anatomical changes in diseased tissue.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The microscopic study of tissue, especially of abnormal tissue as a result of disease
from The Century Dictionary and Cyclopedia
- n. The study of morbid changes in minute structures.
histo- + pathology (Wiktionary)