# microevolution

> English word · Noun

## Definitions
1. Small-scale changes in the history of life, such as changes in allele frequencies in a population (over a few generations); also known as change at or below the species level.

## Etymology
From micro- + evolution, coined by Robert Greenleaf Leavitt in 1909.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/microevolution