Definition of macroevolution in English:

macroevolution

Syllabification: mac·ro·ev·o·lu·tion
Pronunciation: /ˌmakrō-evəˈlo͞oSHən, -ˌēvə-
 
/

noun

Biology
Major evolutionary change. The term applies mainly to the evolution of whole taxonomic groups over long periods of time.
More example sentences
  • The next generation of advances in macroevolution and evolutionary paleoecology will not occur until a well-tested phylogenetic classification is established.
  • Creationists are usually more careful about distinguishing between microevolution and macroevolution at this point.
  • The creation science folks accept microevolution but not macroevolution.

Derivatives

macroevolutionary

Pronunciation: /-SHəˌnerē, -ˌēvə-/
adjective
More example sentences
  • Thus, adaptation-oriented studies of characters have expanded from microevolutionary studies of function and fitness to include macroevolutionary studies of phylogenetic patterns.
  • The association between environmental changes and biogeographic and macroevolutionary changes is potentially an important area of paleontological research.
  • Despite these findings, one would think that natural selection could produce macroevolutionary changes in bristle number without the inevitable derangement of either ribosome production or the PNS.

Definition of macroevolution in:

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Word of the day neoteny
Pronunciation: nēˈätn-ē
noun
retention of juvenile features in the adult animal