Webster's Revised Unabridged Dictionary · 1913

Trirectangular

Trirectangular , adjective

[Prefix tri- + rectangular.]

(Spherical Trigonometry) Having three right angles. See Triquadrantal.

Text from the public-domain GNU Collaborative International Dictionary of English, derived from Webster's Revised Unabridged Dictionary (1913). Definitions marked with were added by later GCIDE contributors and are not in the original 1913 edition.

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