preformation :

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  • n  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
News & Articles

  • An interesting feature of the ?-preformation probability was identified by Chinese researchers
    Alpha decay is always an important topic in nuclear physics, and the formation of the ?-particle is usually supposed to be indispensable in this decay process. In the 2013 issue of Science China Physics, Mechanics & Astronomy, a paper reports the derivation from experimental data of an empirical expression that offers new insight into an aspect of a crucial quantity, namely the ?-preformation ...
    Aug. 1, 2013 - EurekAlert!

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