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speciation

 - 3 dictionary results

spe⋅ci⋅a⋅tion

  [spee-shee-ey-shuhn, -see-ey-]
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–noun Biology.
the formation of new species as a result of geographic, physiological, anatomical, or behavioral factors that prevent previously interbreeding populations from breeding with each other.
Origin:
1895–1900; speci(es) + -ation
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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spe·ci·a·tion   (spē'shē-ā'shən, -sē-)   
n.  The evolutionary formation of new biological species, usually by the division of a single species into two or more genetically distinct ones.

[speci(es) + -ation.]
spe'ci·ate' v., spe'ci·a'tion·al adj.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Medical Dictionary

speciation spe·ci·a·tion (spē'shē-ā'shən, -sē-)
n.
The evolutionary formation of new biological species, usually by the division of a single species into two or more genetically distinct ones.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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