from The American Heritage® Dictionary of the English Language, 4th Edition
- n. An organism, such as a bacterium or protozoan, that obtains its nourishment through the oxidation of inorganic chemical compounds as opposed to photosynthesis.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. a simple organism, such as a protozoan, that derives its energy from chemical processes rather than photosynthesis
chemo- + autotroph (Wiktionary)