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phylogeny

[fahy-loj-uh-nee] /faɪˈlɒdʒ ə ni/
noun
1.
the development or evolution of a particular group of organisms.
2.
the evolutionary history of a group of organisms, especially as depicted in a family tree.
Also, phylogenesis
[fahy-luh-jen-uh-sis] /ˌfaɪ ləˈdʒɛn ə sɪs/ (Show IPA)
.
Compare ontogeny.
Origin
1865-1870
1865-70; phylo- + -geny
Related forms
phylogenetic
[fahy-luh-juh-net-ik] /ˌfaɪ lə dʒəˈnɛt ɪk/ (Show IPA),
phylogenetical, phylogenic, adjective
phylogenetically, adverb
phylogenist, noun
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for phylogenesis

phylogeny

/faɪˈlɒdʒɪnɪ/
noun (pl) -nies, -geneses (-ˈdʒɛnɪˌsiːz)
1.
(biology) the sequence of events involved in the evolution of a species, genus, etc Compare ontogeny
Derived Forms
phylogenic (ˌfaɪləʊˈdʒɛnɪk), phylogenetic (ˌfaɪləʊdʒɪˈnɛtɪk) adjective
Word Origin
C19: from phylo- + -geny
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
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Word Origin and History for phylogenesis
phylogeny
"genesis and evolution of a phylum," 1872 (in Darwin), from Ger. Phylogenie, coined 1866 by Ger. biologist Ernst Heinrich Haeckel (1834-1919) from Gk. phylon "race" + -geneia "origin," from -genes "born."
Online Etymology Dictionary, © 2010 Douglas Harper
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phylogenesis in Medicine

phylogenesis phy·lo·gen·e·sis (fī'lō-jěn'ĭ-sĭs)
n.
See phylogeny.

phylogeny phy·log·e·ny (fī-lŏj'ə-nē)
n.

  1. The evolutionary development and history of a species or higher taxonomic grouping of organisms. Also called phylogenesis.

  2. The evolutionary development of an organ or other part of an organism.


phy'lo·gen'ic (-jěn'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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phylogenesis in Science
phylogeny
  (fī-lŏj'ə-nē)   
The evolutionary development and history of a species or higher taxonomic grouping of organisms.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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