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cladogram

[ klad-uh-gram, kley-duh- ]
/ ˈklæd əˌgræm, ˈkleɪ də- /
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noun Biology.
a branching diagram depicting the successive points of species divergence from common ancestral lines without regard to the degree of deviation.
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Origin of cladogram

First recorded in 1965–70; clado- + -gram1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

British Dictionary definitions for cladogram

cladogram
/ (ˈkleɪdəʊˌɡræm) /

noun
biology a treelike diagram illustrating the development of a cladeSee clade

Word Origin for cladogram

C20: from clade + -o- + -gram
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

Scientific definitions for cladogram

cladogram
[ klădə-grăm′, klādə- ]

A branching treelike diagram used to illustrate evolutionary (phylogenetic) relationships among organisms. Each node, or point of divergence, has two branching lines of descendance, indicating evolutionary divergence from a common ancestor. The endpoints of the tree represent individual species, and any node together with its descendant branches and subbranches constitutes a clade.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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