Miocene

/ˈmaɪəsiːn/

Miocene

English Adj

Definition

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.