# neo-

> English word · Prefix · IPA /ˈniːəʊ/

## Definitions
1. new
2. contemporary
3. Having a structure, similar to that of neopentane, in which each hydrogen atom of a methyl group has been replaced by an alkyl group
4. Being a newly-discovered or -synthesized variant of an existing compound
5. surgically created

## Etymology
From Ancient Greek prefix νεο- (neo-), from νέος (néos, “new, young”).

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-09-03.
Canonical page: https://plainspell.com/en/word/neo