Crossword clue: a believer in panspermy; one who rejects the theory of spontaneous generation; a biogenist.

The most common answer is panspermatist (13 letters).

2 answers found in Letterora's clue database (Wikidata facts, Open Trivia DB, WordNet and Webster definitions — all licensed sources).

Possible answers

panspermatist 13 letters web-def

A believer in panspermy; one who rejects the theory of spontaneous generation; a biogenist.

panspermist 11 letters web-def

A believer in panspermy; one who rejects the theory of spontaneous generation; a biogenist.