Noun
spontaneous generation (countable and uncountable, plural spontaneous generations)
(evolutionary theory, historical) The fancied production of live organisms without previously existing parents from inorganic matter, or from decomposing organic matter, a notion which at one time had many supporters.
At that time, various fungi were still considered to arise through spontaneous generation. Source: Internet
Nature was widely believed to be unstable and capricious, with monstrous births from union between species, and spontaneous generation of life. Source: Internet
It could be concluded that spontaneous generation could be disproven. Source: Internet
Pasteur demonstrated that fermentation is caused by the growth of microorganisms, and the emergent growth of bacteria in nutrient broths is due to biogenesis rather than spontaneous generation. Source: Internet
His notion of spores being the reproductive mechanism for the growth was a large blow to the previous suggestions of spontaneous generation. Source: Internet
This combined with his contemporary's idea of " spontaneous generation " allow us to see how Thales could hold that water could be divine and creative. Source: Internet