n., pl., -gies.
- The anatomical study of the microscopic structure of animal and plant tissues.
- The microscopic structure of tissue.
histologically his'to·log'i·cal·ly adv.
histologist his·tol'o·gist n.
The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.