Standard Lemma guide

birectangular

adj · 1 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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1

adj

Meaning 1

Containing two right angles.

Definition source: English Wiktionary via Wiktextract

Usage: not-comparable

Examples

  • Unlike a normal triangle, a spherical triangle can be birectangular because the sum of its angles is greater than 180 degrees.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

Etymology tree Proto-Indo-European *dwóh1 Proto-Indo-European *dwi- Proto-Italic *dwi- Latin bi-bor. English bi- English rectangular English birectangular From bi- + rectangular.