gammoid

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noun

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

Scrabble 13
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Meanings

noungammoid (plural gammoids)

plural gammoids

  1. mathematicsA certain kind of matroid, describing sets of vertices that can be reached by vertex-disjoint paths in a directed graph.
adjectivegammoid (comparative more gammoid, superlative most gammoid)

comparative more gammoid · superlative most gammoid

  1. Shaped like a gamma.

Origin

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

Full word history & related roots →
Cite this entry
APA

gammoid. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/gammoid

MLA

“gammoid.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/gammoid. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “gammoid,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/gammoid.

Source: gammoid on Wiktionary, CC BY-SA 4.0.