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quadrantal

1. A cubical vessel containing a roman cubic foot, each side being a Roman square foot; used as a measure.

2. A cube.

Origin: L.

(Science: geometry) Of or pertaining to a quadrant; also, included in the fourth part of a circle; as, quadrantal space. Quadrantal triangle, a spherical triangle having one side equal to a quadrant or arc of 90 deg . Quadrantal versor, a versor that expresses rotation through one right angle.

Origin: L. Quadrantalis containing the fourth fourth part of a measure.