chemautotroph

/ ˌkiːməʊˌɔːtəˈtrɒfɪk; ˌkɛm-; ˌkɛm-; ˌkiːməʊˈɔːtrəuf; ˌkiːməʊˈɔːtətrəʊf /

noun

1. biology an organism, such as a bacterium, that obtains its energy from inorganic reactions using simple compounds, such as ammonia or hydrogen sulphide Also calledchemolithotroph

Derived Forms

• chemautotrophic, adjective