The Collaborative International Dictionary
Abiogenist
Abiogenist \Ab`i*og"e*nist\, n. (Biol.)
One who believes that life can be produced independently of
antecedent.
--Huxley.
Wiktionary
abiogenist
n. (context biology English) One who believes that life can be produced independently of antecedent life. (Late 19th century.) (R:SOED5: page=4)
WordNet
abiogenist
n. a believer in abiogenesis