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Definition of punctuationism in English:

punctuationism

Pronunciation /-ˈāSHəˌnizəm/

noun

Biology

See punctuationist

‘Punctuated equilibrium is commonly contrasted against the theory of phyletic gradualism, which states that evolution generally occurs uniformly and by the steady and gradual transformation of whole lineages (anagenesis).’
  • ‘In addition, when comparing the theories of gradualism with punctuationism, it is important to evaluate the theory of saltationism.’