# retentate

> English word · Noun

## Definitions
1. That which is retained, especially by a filter or porous membrane.

## Etymology
From retent + -ate (noun-forming suffix).

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