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單詞乎

preformation

音標[,pri:f?:'mei??n]
preformation是什么意思、preformation怎么讀

preformation漢語翻譯

n. 預先形成
【醫(yī)】 先成說, 預成說

preformation英語解釋

名詞 preformation:

  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
    同義詞：theory of preformation

preformation詳細解釋

pre.for.ma.tion

n.（名詞）
The act of shaping or forming in advance; prior formation.
預先形成：預先塑造或形成的行為；預先形成
A theory popular in the 8th century that all parts of an organism exist completely formed in the germ cell and develop only by increasing in size.
預成說：流行于8世紀，認為生物體的所有部分在生殖細胞時已完全成形而成長時只是增加尺寸的理論

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