abiogenesis UK /ˌeɪbaɪəʊˈdʒɛnəsɪs/US /ˌeɪˌbaioʊˈd͡ʒɛnəsɪs/ noun1 •The origination of living organisms from lifeless matter; such genesis as does not involve the action of living parents.Although abiogenesis, the spontaneous creation of a living system under appropriate conditions, must have occurred at the end of the prebiotic world, spontaneous generation of life no longer occurs. — 2014 formsabiogeneses