adj · name · 3 senses · updated from the 2026-07-25 local source snapshot
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
Sound
Pronunciation
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/ˈmaɪəsiːn/
Southern-England:Recorded audio is listed in the source snapshot.
CMU ARPABET:M AY1 AH0 S IY2 N
Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
1
adj
Meaning 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.
Definition source: English Wiktionary via Wiktextract
Usage: not-comparable
Topics: geography, geology, natural-sciences
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
2
name
Meaning 2
The Miocene epoch.
Definition source: English Wiktionary via Wiktextract
Topics: geography, geology, natural-sciences
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
3
noun
Meaning 3
from 25 million to 13 million years ago; appearance of grazing mammals
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: Miocene epoch
Antonyms: none provided
Broader terms: epoch
History
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.
Across languages
Translations
28 source translations are retained for this English entry.
Catalan:
miocè
— of the Miocene epoch
Catalan:
miocènic
— of the Miocene epoch
Finnish:
mioseenikautinen
— of the Miocene epoch
Georgian:
მიოცენური
(miocenuri)
— of the Miocene epoch
Greek:
μειόκαινος
(meiókainos)
— of the Miocene epoch