What does preformation mean?
Definitions for preformation
ˌpri fɔrˈmeɪ ʃənpre·for·ma·tion
This dictionary definitions page includes all the possible meanings, example usage and translations of the word preformation.
Princeton's WordNet
preformation, theory of preformationnoun
a theory (popular in the 18th century and now discredited) that an individual develops by simple enlargement of a tiny fully formed organism (a homunculus) that exists in the germ cell
Wiktionary
preformationnoun
Prior formation.
preformationnoun
The theory that organisms are fully developed in the form of an egg or seed, and just increase in size (as opposed to epigenesis.
ChatGPT
preformation
Preformation is a theory in embryology where it is presumed that the development of an organism is a process of increasing complexity, and that an organism's characteristics and traits are determined at conception because they are already present in either the egg or the sperm. This theory suggests that all organisms were created at the same time, and have since been passed on through successive generations, indicating that every embryo exists preformed in the germ cell of its parents, grandparents, and prior ancestors. Some changes to the preformed structures occur due to external environment's influence.
Webster Dictionary
Preformationnoun
an old theory of the preexistence of germs. Cf. Embo/tement
Entomology
Preformation
the doctrine of growth or development from already existing rudiments; opposed to epigenesis: q.v.
Numerology
Chaldean Numerology
The numerical value of preformation in Chaldean Numerology is: 9
Pythagorean Numerology
The numerical value of preformation in Pythagorean Numerology is: 6
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"preformation." Definitions.net. STANDS4 LLC, 2024. Web. 19 Apr. 2024. <https://www.definitions.net/definition/preformation>.
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