# semidirect product

> English word · Noun

## Definitions
1. A generalisation of direct product such that, in one of two equivalent definitions, only one of the subgroups involved is required to be a normal subgroup.

## Etymology
Refers to the fact that the criteria are less strict than for the direct product; compare semidirect.

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