Spontaneous generation Meaning, Definition & Usage

  1. noun a hypothetical organic phenomenon by which living organisms are created from nonliving matter
    abiogenesis; autogeny; autogenesis.

WordNet

Definitions
  1. . (Biol.) See under Generation.
Definitions
  1. (Biol.), the fancied production of living organisms without previously existing parents from inorganic matter, or from decomposing organic matter, a notion which at one time had many supporters; abiogenesis.

Webster 1913