Usually means: Branching into multiple simultaneous lineages.
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We found 13 dictionaries that define the word polytomy:

General (11 matching dictionaries)
  1. polytomy: Merriam-Webster
  2. polytomy: Wordnik
  3. polytomy: Wiktionary
  4. polytomy: Infoplease Dictionary
  5. Polytomy, polytomy: Dictionary.com
  6. Polytomy: Wikipedia, the Free Encyclopedia
  7. Polytomy: Online Plain Text English Dictionary
  8. polytomy: Webster's Revised Unabridged, 1913 Edition
  9. Polytomy: AllWords.com Multi-Lingual Dictionary
  10. polytomy: FreeDictionary.org
  11. Polytomy: TheFreeDictionary.com

Medicine (1 matching dictionary)
  1. online medical dictionary (No longer online)

Science (1 matching dictionary)
  1. Tree of Life Glossary (No longer online)

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Definitions from Wiktionary (polytomy)

▸ noun:  (taxonomy) A section of a phylogeny in which the evolutionary relationships cannot be fully resolved to dichotomies

Similar:
polyphyly, polyphylety, polyphyleticism, polyphyletism, monophylogeny, nonmonophyly, monophyletism, monophyleticism, paraphyly, monophylety, more...

Opposite:
monotony, unifurcation, singularity

▸ Words similar to polytomy

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Similar:
polyphyly, polyphylety, polyphyleticism, polyphyletism, monophylogeny, nonmonophyly, monophyletism, monophyleticism, paraphyly, monophylety, more...

Opposite:
monotony, unifurcation, singularity



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