noun \ˌā-ˌbī-ō-ˈjen-ə-səs\

Definition of ABIOGENESIS

: the supposed spontaneous origination of living organisms directly from lifeless matter—called also spontaneous generation; compare biogenesis
abi·og·e·nist \ˌā-(ˌ)bī-ˈäj-ə-nəst\ or abio·gen·e·sist \-ˌbī-ō-ˈjen-ə-səst\ noun

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