Triquadrantal
Triquadrantal Tri`quad*ran"tal, a. [Pref. tri- + quadrantal.] (Spherical Trig.) Having three quadrants; thus, a triquadrantal triangle is one whose three sides are quadrants, and whose three angles are consequently right angles. [1913 Webster]

The Collaborative International Dictionary of English. 2000.

Look at other dictionaries:

  • Trirectangular — Tri rec*tan gu*lar, a. [Pref. tri + rectangular.] (Spherical Trig.) Having three right angles. See {Triquadrantal}. [1913 Webster] …   The Collaborative International Dictionary of English

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