from The American Heritage® Dictionary of the English Language, 4th Edition
- n. The biological study of the functions of living organisms and their parts.
- n. All the functions of a living organism or any of its parts.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A branch of biology that deals with the functions and activities of life or of living matter (as organs, tissues, or cells) and of the physical and chemical phenomena involved.
- n. The study and description of natural objects; natural science.
from the GNU version of the Collaborative International Dictionary of English
- n. The science which treats of the phenomena of living organisms; the study of the processes incidental to, and characteristic of, life.
- n. A treatise on physiology.
from The Century Dictionary and Cyclopedia
- n. l. Natural philosophy.
- n. The sum of scientific knowledge concerning the functions of living things.
- n. A treatise on physiology or the functions of living organisms.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. processes and functions of an organism
- n. the branch of the biological sciences dealing with the functioning of organisms
From French physiologie, from Latin physiologia, from Ancient Greek φυσιολογία (phusiologia, "natural philosophy"), from φύσις (phusis, "nature") + λόγος (logos, "word"). (Wiktionary)