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bn:00064138n
Noun Concept
Categories: Obsolete biological theories, History of biology, Philosophy of science
EN
preformation  theory of preformation  preformationism  pre-formationism  preformism
EN
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 WordNet 3.0
Definitions
Relations
Sources
EN
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 WordNet 3.0 & Open English WordNet
In the history of biology, preformationism is a formerly popular theory that organisms develop from miniature versions of themselves. Wikipedia
The theory that organisms are fully developed in the form of an egg or seed, and just increase in size (as opposed to epigenesis). Wiktionary
The theory that all organisms start their existence already in a predetermined form upon conception and this form does not change in the course of their lifetime (as opposed to epigenesis). Wiktionary
The theory that all organisms start their existence already in a predetermined form. Wiktionary (translation)
IS A
theory
Superseded theories in science
DERIVATION
preform
DESCRIBED BY SOURCE
Armenian Soviet Encyclopedia
WordNet 3.0 & Open English WordNet
EN
preformation, theory of preformation
Wikipedia
EN
preformationism
Wikidata
EN
preformationism
Wiktionary
EN
preformation, preformationism
Wikipedia Redirections
EN
pre-formationism, preformation, preformism, spermist theory
Wikidata Alias
EN
preformism

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