quadrantal

POS

Adjective

HYPHEN

quad=ran=tal

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CIDE DICTIONARY

quadrantal, a. [L. quadrantalis containing the fourth fourth part of a measure.].

Of or pertaining to a quadrant; also, included in the fourth part of a circle; as, quadrantal space. [1913 Webster]

Quadrantal triangle, a spherical triangle having one side equal to a quadrant or arc of 90 -- Quadrantal versor, a versor that expresses rotation through one right angle.

quadrantal, n. [L.].

A cubical vessel containing a Roman cubic foot, each side being a Roman square foot; -- used as a measure. [1913 Webster]
A cube. [1913 Webster]