# subfield

> English word · Noun · frequency rank #80,010

## Definitions
1. A smaller, more specialized area of study or occupation within a larger one
2. A subring of a field, containing the multiplicative identity and closed under inversion.

## Etymology
From sub- + field.

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