WordReference Random House Unabridged Dictionary of American English © 2025
sponta′neous genera′tion, [Biol.]
  1. Developmental Biologyabiogenesis.
  • 1650–60

Collins Concise English Dictionary © HarperCollins Publishers::
spontaneous generation
  1. a theory, widely held in the 19th century and earlier but now discredited, stating that living organisms could arise directly and rapidly from nonliving material
    Also called (formerly): abiogenesis
'spontaneous generation' also found in these entries (note: many are not synonyms or translations):
abiogenesis - self-generation

Forum discussions with the word(s) "spontaneous generation" in the title:


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