Biangle

//ˈbaɪˌæŋɡəl// noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    A digon or bigon; a two-sided shape (especially in non-Euclidean geometry)

    "If n planes be drawn through any axis of the right-vector, each of which makes angles π/n with the planes on either side of it, the whole of space is divided into n congruent figures which may be called biangles, the space between any two adjacent planes being easily seen to be continuous with the vertically opposite space between them."

Example

More examples

"If n planes be drawn through any axis of the right-vector, each of which makes angles π/n with the planes on either side of it, the whole of space is divided into n congruent figures which may be called biangles, the space between any two adjacent planes being easily seen to be continuous with the vertically opposite space between them."

Etymology

From bi- + angle.

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