Webster's Online Dictionary
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Definition: PANSPERMY

Part of Speech Definition
Noun 1. The doctrine of the widespread distribution of germs, from which under favorable circumstances bacteria, vibrios, etc., may develop.[Websters]
2. The doctrine that all organisms must come from living parents; biogenesis; -- the opposite of spontaneous generation.[Websters].

Source: Webster's Revised Unabridged Dictionary (1913)

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Date "Panspermy" was first used in popular English literature: sometime before 1914. (references)

Etymology:Panspermy \Pan"sper`my\, noun. [Pan- Greek expression seed.]. (references)

Definition: PANSPERMY

Part of SpeechDefinition
Noun1. The doctrine of the widespread distribution of germs, from which under favorable circumstances bacteria, vibrios, etc., may develop.[Websters]
2. The doctrine that all organisms must come from living parents; biogenesis; -- the opposite of spontaneous generation.[Websters].

Source: Webster's Revised Unabridged Dictionary (1913)

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Date "PANSPERMY" was first used in popular English literature: sometime before 1914. (references)

Etymology:Panspermy \Pan"sper`my\, noun. [Pan- Greek expression seed.]. (references)