Dictionary.com
definitions
  • synonyms

saltationism

[sal-tey-shuh-niz-uh m]
See more synonyms on Thesaurus.com
noun Biology.
  1. any of several theories holding that the evolution of species proceeds in major steps by the abrupt transformation of an ancestral species into a descendant species of a different type, rather than by the gradual accumulation of small changes.
Show More

Origin of saltationism

First recorded in 1970–75; saltation + -ism
Related formssal·ta·tion·ist, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018