epigenesis

[ ep-i-jen-uh-sis ]

/ ˌɛp ɪˈdʒɛn ə sɪs /

noun

Biology. the theory that an embryo develops from the successive differentiation of an originally undifferentiated structure (opposed to preformation).

Genetics. the approximately stepwise process by which genetic information is modified and translated into the substance and behavior of an organism.See also epigenetics.

Geology. ore deposition subsequent to the original formation of the enclosing country rock.

Origin of epigenesis

First recorded in 1800–10; epi- + -genesis

OTHER WORDS FROM epigenesis

ep·i·gen·e·sist, e·pig·e·nist

[ih-pij-uh-nist], /ɪˈpɪdʒ ə nɪst/, nounep·i·ge·net·ic

[ep-i-juh-net-ik], /ˌɛp ɪ dʒəˈnɛt ɪk/, adjectiveep·i·ge·net·i·cal·ly, adverb

Words nearby epigenesis

epigastric hernia, epigastrium, epigastrocele, epigeal, epigene, epigenesis, epigenetic, epigenetics, epigenome, epigenomics, epigenous

Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for epigenesis

The doctrine of epigenesis has very much complicated the whole question of heredity.
Homo-culture|Martin Luther Holbrook
The differences between the exponents of evolution and epigenesis offer practical problems to be decided by experiment.
Encyclopaedia Britannica, 11th Edition, Volume 13, Slice 3|Various
The development is an epigenesis, or impressing on identical material of different characters by different surrounding forces.
The Biological Problem of To-day|Oscar Hertwig
This point established, two hypotheses remain: that of pre-existence and that of epigenesis.
Lay Sermons, Addresses and Reviews|Thomas Henry Huxley

Elsewhere he writes: 'I believe that I have established that ontogeny can be explained only by evolution, and not by epigenesis.'
The Biological Problem of To-day|Oscar Hertwig

British Dictionary definitions for epigenesis

epigenesis

/ (ˌɛpɪˈdʒɛnɪsɪs) /

noun

the widely accepted theory that an individual animal or plant develops by the gradual differentiation and elaboration of a fertilized egg cellCompare preformation (def. 2)

the formation or alteration of rocks after the surrounding rock has been formed

alteration of the mineral composition of a rock by external agents: a type of metamorphism

Derived forms of epigenesis

epigenesist or epigenist (ɪˈpɪdʒɪnɪst), noun

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medical definitions for epigenesis

epigenesis

[ ĕp′ə-jĕn′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.

Other words from epigenesis

ep′i•ge•net′ic (-jə-nĕt′ĭk) adj.

单词	epigenesis
释义	epigenesis [ ep-i-jen-uh-sis ] / ˌɛp ɪˈdʒɛn ə sɪs / noun Biology. the theory that an embryo develops from the successive differentiation of an originally undifferentiated structure (opposed to preformation). Genetics. the approximately stepwise process by which genetic information is modified and translated into the substance and behavior of an organism.See also epigenetics. Geology. ore deposition subsequent to the original formation of the enclosing country rock. Origin of epigenesis First recorded in 1800–10; epi- + -genesis OTHER WORDS FROM epigenesis ep·i·gen·e·sist, e·pig·e·nist [ih-pij-uh-nist], /ɪˈpɪdʒ ə nɪst/, nounep·i·ge·net·ic [ep-i-juh-net-ik], /ˌɛp ɪ dʒəˈnɛt ɪk/, adjectiveep·i·ge·net·i·cal·ly, adverb Words nearby epigenesis epigastric hernia, epigastrium, epigastrocele, epigeal, epigene, epigenesis, epigenetic, epigenetics, epigenome, epigenomics, epigenous Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for epigenesis The doctrine of epigenesis has very much complicated the whole question of heredity. Homo-culture\|Martin Luther Holbrook The differences between the exponents of evolution and epigenesis offer practical problems to be decided by experiment. Encyclopaedia Britannica, 11th Edition, Volume 13, Slice 3\|Various The development is an epigenesis, or impressing on identical material of different characters by different surrounding forces. The Biological Problem of To-day\|Oscar Hertwig This point established, two hypotheses remain: that of pre-existence and that of epigenesis. Lay Sermons, Addresses and Reviews\|Thomas Henry Huxley Elsewhere he writes: 'I believe that I have established that ontogeny can be explained only by evolution, and not by epigenesis.' The Biological Problem of To-day\|Oscar Hertwig British Dictionary definitions for epigenesis epigenesis / (ˌɛpɪˈdʒɛnɪsɪs) / noun the widely accepted theory that an individual animal or plant develops by the gradual differentiation and elaboration of a fertilized egg cellCompare preformation (def. 2) the formation or alteration of rocks after the surrounding rock has been formed alteration of the mineral composition of a rock by external agents: a type of metamorphism Derived forms of epigenesis epigenesist or epigenist (ɪˈpɪdʒɪnɪst), noun Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Medical definitions for epigenesis epigenesis [ ĕp′ə-jĕn′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. Other words from epigenesis ep′i•ge•net′ic (-jə-nĕt′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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