# decumulate

> English word · Verb · IPA /dɪˈkjuːmjəleɪt/

## Definitions
1. To decrease in number.

## Etymology
From de- + (ac)cumulate, created as an antonym to accumulate, using the prefix de-. Compare decelerate.

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