# gammoid

> English word · Noun

## Definitions
1. A certain kind of matroid, describing sets of vertices that can be reached by vertex-disjoint paths in a directed graph.

## Etymology
Named by J. H. Mason in a 1972 paper (On a Class of Matroids Arising From Paths in Graphs).

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