Noun
The supposed origination of living organisms from lifeless matter; such genesis as does not involve the action of living parents; spontaneous generation; -- called also abiogeny, and opposed to biogenesis.
Source: Webster's dictionaryIf abiogenesis were more common it would be speculated to have occurred more than once on the Earth. Source: Internet
Rejection of Earth-based abiogenesis In his later years, Hoyle became a staunch critic of theories of abiogenesis used to explain the origin of life on Earth. Source: Internet
Threose nucleic acid ( TNA ) has also been proposed as a starting point, as has glycol nucleic acid ( GNA ), and like PNA, also lack experimental evidence for their respective abiogenesis. Source: Internet