'Panspermatist' definitions:
Definition of 'Panspermatist'
From: GCIDE
- Panspermatist \Pan*sper"ma*tist\, Panspermist \Pan"sper`mist\, n. (Biol.) A believer in panspermy; one who rejects the theory of spontaneous generation; a biogenist. [1913 Webster]