# synaeresis

> English word · Noun · IPA /sɪˈnɪəɹɪsɪs/

## Definitions
1. The contraction of two vowels into a diphthong or a long vowel.
2. The separating out of the liquid from a gel.

## Etymology
From Ancient Greek συναίρεσις (sunaíresis, “unification”), from συν- (sun-, “together”) + αἵρεσις (haíresis, “taking”), from αἱρέω (hairéō, “I take”).

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