Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Medical
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

microevolution

play
noun mi·cro·evo·lu·tion \-ˌe-və-ˈlü-shən also -ˌē-və-\

Definition of microevolution

  1. :  comparatively minor evolutionary change involving the accumulation of variations in populations usually below the species level

mi·cro·evo·lu·tion·ary play \-shə-ˌner-ē\ adjective


1911

First Known Use of microevolution

1911


Medical Dictionary

microevolution

play
noun mi·cro·evo·lu·tion \ˈmī-krō-ˌev-ə-ˈlü-shən also -ˌē-və-\

Medical Definition of microevolution

  1. :  comparatively minor evolutionary change involving the accumulation of variations in populations usually below the species level

  2. mi·cro·evo·lu·tion·ary \-shə-ˌner-ē\play adjective




Learn More about microevolution


Seen and Heard

What made you want to look up microevolution? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

February 11, 2016

the holder of an office

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

image33683556

How much does a batman (the Turkish unit of measurement) weigh?

100 pounds 2.2 pounds 16.96 pounds 196.5 pounds
Name That Thing

10 quick questions: hear them, spell them, and see how your skills compare to the crowd.

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ