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Related to Quadrantal: quadrantal spheres


a.1.(Geom.) 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°.
Quadrantal versor
a versor that expresses rotation through one right angle.
n.1.(Rom. Antiq.) A cubical vessel containing a Roman cubic foot, each side being a Roman square foot; - used as a measure.
2.A cube.
References in periodicals archive ?
Quadrantal peripapillary retinal nerve fiber layer thickness values Perforated eyes Fellow eyes p value Inferior 129.
55[lambda] for all elements (we found than the optimal value calculated by PSO was always the smallest as possible) and we consider quadrantal symmetry for the parasitic array what reduces the number of unknowns.