Dictionary.com

phylogeny

[ fahy-loj-uh-nee ]
/ faɪˈlɒdʒ ə ni /
Save This Word!
See synonyms for: phylogeny / phylogenetic on Thesaurus.com

noun

the development or evolution of a particular group of organisms.
the evolutionary history of a group of organisms, especially as depicted in a family tree.

QUIZZES

QUIZ YOURSELF ON “ITS” VS. “IT’S”!

Apostrophes can be tricky; prove you know the difference between it’s and its in this crafty quiz!
Question 1 of 12
On the farm, the feed for chicks is significantly different from the roosters’; ______ not even comparable.
Also phy·lo·gen·e·sis [fahy-luh-jen-uh-sis]. /ˌfaɪ ləˈdʒɛn ə sɪs/.
Compare ontogeny.

Origin of phylogeny

First recorded in 1865–70; phylo- + -geny
phy·lo·ge·net·ic [fahy-luh-juh-net-ik], /ˌfaɪ lə dʒəˈnɛt ɪk/, phy·lo·ge·net·i·cal, phy·lo·gen·ic, adjectivephy·lo·ge·net·i·cal·ly, adverbphy·log·e·nist, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

British Dictionary definitions for phylogeny

phylogeny

phylogenesis (ˌfaɪləʊˈdʒɛnɪsɪs)

/ (faɪˈlɒdʒɪnɪ) /

noun plural -nies or -geneses (-ˈdʒɛnɪˌsiːz)

biology the sequence of events involved in the evolution of a species, genus, etcCompare ontogeny
phylogenic (ˌfaɪləʊˈdʒɛnɪk) or phylogenetic (ˌfaɪləʊdʒɪˈnɛtɪk), adjective
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

Medical definitions for phylogeny

phylogeny
[ fī-lŏjə-nē ]

n.

The evolutionary development and history of a species or higher taxonomic grouping of organisms.phylogenesis
The evolutionary development of an organ or other part of an organism.
phy′lo•genic (-jĕnĭk) adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Scientific definitions for phylogeny

phylogeny
[ fī-lŏjə-nē ]

The evolutionary development and history of a species or higher taxonomic grouping of organisms.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
What's This Word?