from The American Heritage® Dictionary of the English Language, 4th Edition
- n. The metabolic process by which living cells absorb oxygen and release carbon dioxide.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. the metabolic processes whereby certain organisms obtain energy from organic molecules; processes that take place in the cells and tissues during which energy is released and carbon dioxide is produced and absorbed by the blood to be transported to the lungs
Sorry, no etymologies found.