Preformation Definition

prēfôr-māshən
noun
The act of shaping or forming in advance; prior formation.
American Heritage Medicine
Previous formation.
Webster's New World
A former theory that every germ cell contains every part of the future organism in miniature, development being merely growth in size.
Webster's New World
Synonyms:
  • theory of preformation

Other Word Forms of Preformation

Noun

Singular:
preformation
Plural:
preformations

Origin of Preformation

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preformation