the theory that life exists and is distributed throughout the universe in the form of germs or spores that develop in the right environment.
- Also pan·sper·ma·tism [pan-spur-muh-tiz-uhm], /pænˈspɜr məˌtɪz əm/, pan·sper·my [pan-spur-mee]. /ˈpænˌspɜr mi/.
- pan·sper·mic, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use panspermia in a sentence
Over the past four decades, all the predictions of cometary panspermia have been verified.Clumps of bacteria could spread life between planets | Paola Rosa-Aquino | August 27, 2020 | Popular-Science
Indeed, the old idea of panspermia leads to the wholesale exchange of biology between the stars.How Life Could Continue to Evolve - Issue 88: Love & Sex | Caleb Scharf | August 12, 2020 | Nautilus