Children's, Intermediate and Advanced Online English Dictionary & Thesaurus

Comprehensive
Dictionary Suite
Help
Help
Help
 
Advanced Dictionary    
Display options
Show syllables
Show Lookup History
Double-Click Lookup
  Show Spanish support
  Show Word Combinations
 
Pronunciation
Wordsmyth
  Phonics
  IPA
 
Entry formats
Standard
  Classic
 
Lookup History
microevolution

mi·cro·ev·o·lu·tion

microevolution

 
pronunciation:
maI kro e v lu shn
features:
Word Parts
part of speech: noun
definition: the slight hereditary alteration of an organism, as by new combinations of genes, that precedes a small degree of change in a particular form of life.