# Miocene

> English word · Adjective · IPA /ˈmaɪəsiːn/ · frequency rank #33,331

## Definitions
1. Of a geologic epoch within the Neogene period from about 23 to 5.3 million years ago; marked by the drift of continents to their present position.

## Etymology
From Ancient Greek μείων (meíōn, “less”) + καινός (kainós, “new”). Coined by English polymath William Whewell in 1831 for Charles Lyell, who introduced it in 1833 in his book Principles of Geology. By surface analysis, meio- + -cene.

## Common misspellings (9)
`imocene`, `micoene`, `mioccene`, `mioceen`, `miocenne`, `miocnee`, `mioecne`, `mmiocene`, `moicene`

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