# ringoid

> English word · Noun

## Definitions
1. A ring-like algebraic structure.
2. A small preadditive category (so named because a ring can be viewed as a preadditive category with a single object).

## Etymology
From ring + -oid.

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