World English Dictionary
chemautotroph or chemoautroph (ˌkiːməʊˈɔːtətrəʊf, ˌkiːməʊˈɔːtrəuf, ˌkɛm-)
biology Also called: chemolithotroph an organism, such as a bacterium, that obtains its energy from inorganic reactions using simple compounds, such as ammonia or hydrogen sulphide
chemoautroph or chemoautroph
chemautotrophic or chemoautroph

Collins English Dictionary - Complete & Unabridged 10th Edition
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