spontaneous generation

noun

Definition of spontaneous generation

: a now discredited notion that living organisms spontaneously originate directly from nonliving matter
  • A difficulty that we have forgotten lay in the widespread belief in spontaneous generation. Aristotle had written that flies, worms, and other small animals originated spontaneously from putrefying matter.
  • —Daniel J. Boorstin

Recent Examples of spontaneous generation from the Web

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First Known Use of spontaneous generation

1665

in the meaning defined above

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Medical Dictionary

spontaneous generation

noun

medical Definition of spontaneous generation


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