| 单词 | theory of preformation |
| 释义 | theory of preformation (once / 2363863 pages) n WORD FAMILY theory of preformation USAGE EXAMPLESThus, the theory of preformation gave rise to the conception that living things were a series of cases or wrappings, germ folded within germ. Hertwig, Oscar, The Biological Problem of To-day—Pr...(2011) The first Scholion is directed against the theory of preformation, and succeeds in refuting it on the ground of simple observation. E. S. (Edward Stuart) Russell, Form and Function—A Contribution to...(2010) In this respect it is like its predecessor, the theory of preformation of the eighteenth century. Hertwig, Oscar, The Biological Problem of To-day—Pr...(2011) 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 Syn|Hyper preformation theory a well-substantiated explanation of some aspect of the natural world; an organized system of accepted knowledge that applies in a variety of circumstances to explain a specific set of phenomena |
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