preformation

英 [ˌpriːfɔː'meɪʃən] 美 [ˌpriːfɔː'meɪʃən]

• n. 预先形成

英英释义

Noun:

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

近反义词

【近义词】

• theory of preformation 胚胎系统发育说...