Definition of punctuated equilibrium in English:

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punctuated equilibrium

noun

Biology
The hypothesis that evolutionary development is marked by isolated episodes of rapid speciation between long periods of little or no change.
Example sentences
  • We performed the analysis assuming two evolutionary models: Brownian motion and punctuated equilibrium or speciation.
  • I didn't mention punctuated equilibrium or allopatric speciation either, because it isn't relevant to the matter at hand.
  • Their views are commonly known as the theory of punctuated equilibrium and contrasted with evolutionary gradualism.

For editors and proofreaders

Syllabification: punc·tu·at·ed e·qui·lib·ri·um

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