- (n.) The doctrine of the widespread distribution of germs, from which under favorable circumstances bacteria, vibrios, etc., may develop.
- (n.) The doctrine that all organisms must come from living parents; biogenesis; -- the opposite of spontaneous generation.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). panspermy. Retrieved September 25, 2026, from http://smartdefine.org/panspermy/definitions/2041718 |
| Chicago | Webster's. 2011. "panspermy" http://smartdefine.org/panspermy/definitions/2041718 (accessed September 25, 2026). |
| Harvard | Webster's 2011, panspermy, Smart Define, viewed 25 September, 2026, <http://smartdefine.org/panspermy/definitions/2041718>. |
| MLA | Webster's. "panspermy" 27 May 2011. Web. 25 September 2026. <http://smartdefine.org/panspermy/definitions/2041718> |