What does "monogon" mean?

A one-dimensional object comprising one vertex and one (not necessarily straight) edge both of whose ends are that vertex.

What is a synonym for "monogon"?

Common synonyms include: apeirogon, digon, henagon, henagon, polygon, trigon.

noun

noun ·Rare ·Advanced level

Noun

1
A one-dimensional object comprising one vertex and one (not necessarily straight) edge both of whose ends are that vertex.
"A geodesic with multiple points contains at least one simple monogon."
2
A two-dimensional object comprising one vertex, one edge both of whose ends are that vertex, and one face filling in the hollow formed by that edge.
"According to Theorem 4.1.1, such a derived imbedding could be obtained from an imbedded voltage graph with one vertex, 6s#43;2 edges, and 4s#43;2 faces. Of these faces, 4s#43;1 should be 3-sided and satisfy KVL. The other face should be a monogon whose net voltage has order two."
3
A single-faceted reflector.
"A new optical scanner is described which serves as a monogon or single-facet device, providing one scan per shaft rotation."

"A geodesic with multiple points contains at least one simple monogon."

From mono- + -gon.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.