Quadrantal

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Related to Quadrantal: quadrantal spheres

Quad`ran´tal

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.

Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.

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References in periodicals archive ?

Another study found that the quadrantal alterations in myopic eyes were uneven, with the greatest changes noted in the inferior nasal sector [5].

Is the Retinal Vasculature Related to [beta]-Peripapillary Atrophy in Nonpathological High Myopia? An Optical Coherence Tomography Angiography Study in Chinese Adults

Quadrantal peripapillary retinal nerve fiber layer thickness values Perforated eyes Fellow eyes p value Inferior 129.2 [+ or -] 17.0 127.8 [+ or -] 13.7 0.94 quadrant ([micro]m) Superior 124.0 [+ or -] 17.2 120.3 [+ or -] 11.4 0.52 quadrant ([micro]m) Nasal 79.3 [+ or -] 19.6 75.5 [+ or -] 12.4 0.41 quadrant ([micro]m) Temporal 75.6 [+ or -] 12.8 74.5 [+ or -] 12.5 0.77 quadrant ([micro]m) RNFL: Retinal nerve fiber layer Table 3.

Late postoperative evaluation of retinal and choroidal thickness and retinal vessel caliber after surgical repair of corneal perforation