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preformation

n. 预先形成

预先形成

WordNet (r) 3.0 (2006) (WordNet)

preformation
n 1: 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 [synonym: {preformation}, {theory of preformation}]

The Collaborative International Dictionary of English v.0.48 (gcide)

Preformation \Pre`for*ma"tion\, n. (Biol.)
An old theory of the pre["e]xistence of germs. Cf.
{Embo[^i]tement}.
[1913 Webster]

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Preformation	查看　Preformation　在Google字典中的解释	Google英翻中〔查看〕
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