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noun
1.
Biology.
a.
the theory that an embryo develops from the successive differentiation of an originally undifferentiated structure (opposed to preformation).
b.
the approximately stepwise process by which genetic information, as modified by environmental influences, is translated into the substance and behavior of an organism.
2.
Geology. ore deposition subsequent to the original formation of the enclosing country rock.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Based on the Random House Dictionary, © Random House, Inc. 2012.
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Link To epigenesis
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Epigenesis
is always a great word to know.
So is type species. Does it mean:
| the species of a genus that is regarded as the best example of the generic characters of the genus, from which a genus was originally named |
| a cell in loose connective tissue that is specialized for the synthesis and storage of fat |
Collins
World English Dictionary
| epigenesis (ˌɛpɪˈdʒɛnɪsɪs) | |
| —n | |
| 1. | Compare preformation the widely accepted theory that an individual animal or plant develops by the gradual differentiation and elaboration of a fertilized egg cell |
| 2. | the formation or alteration of rocks after the surrounding rock has been formed |
| 3. | alteration of the mineral composition of a rock by external agents: a type of metamorphism |
| epi'genesist | |
| —n | |
| epigenist | |
| —n | |
Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
Cite This Source
American Heritage
Medical Dictionary
epigenesis ep·i·gen·e·sis (ěp'ə-jěn'ĭ-sĭs)
n.
The theory that an individual is developed by successive differentiation of an unstructured egg rather than by a simple enlarging of a preformed entity.
ep'i·ge·net'ic (-jə-nět'ĭk) adj.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Cite This Source
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