Panspermic :: Panspermic (a.) Of or pertaining to panspermy; as, the panspermic hypothesis..
Panspermist :: Panspermist (n.) A believer in panspermy; one who rejects the theory of spontaneous generation; a biogenist.
Panspermy :: Panspermy (n.) The doctrine of the widespread distribution of germs, from which under favorable circumstances bacteria, vibrios, etc., may develop..
Panspermy :: Panspermy (n.) The doctrine that all organisms must come from living parents; biogenesis; -- the opposite of spontaneous generation.