Definition of abiogenesist in English:

abiogenesist

noun

Biology Geology
rare

Origin

Late 19th century; earliest use found in The Century Dictionary. From abiogenesis: see -ist; compare earlier abiogenist.

Pronunciation:

abiogenesist

/ˌeɪbʌɪə(ʊ)ˈdʒɛnɪsɪst/