chemautotroph


Also found in: Medical.

chemautotroph

(ˌkiːməʊˈɔːtətrəʊf) or

chemoautroph

n
(Biology) biology an organism, such as a bacterium, that obtains its energy from inorganic reactions using simple compounds, such as ammonia or hydrogen sulphide. Also called: chemolithotroph
chemautotrophic adj