Definition of Quadrantal

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

2. n. A cubical vessel containing a Roman cubic foot, each side being a Roman square foot; -- used as a measure.

Definition of Quadrantal

1. Noun. An ancient Roman unit of measure for liquids. ¹

¹ Source: wiktionary.com

Definition of Quadrantal

1. [adj]

Medical Definition of Quadrantal

1. 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. 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. Source: Websters Dictionary (01 Mar 1998)

Lexicographical Neighbors of Quadrantal

quadrangles
quadrangular
quadrangular cartilage
quadrangular lobule
quadrangular membrane
quadrangular prism
quadrangular space
quadrangular therapy
quadrangularity
quadrangularly
quadrangulation
quadrangulations
quadrans
quadrant
quadrant plate
quadrantal (current term)
quadrantally
quadrantals
quadrantanopia
quadrantanopias
quadrantes
quadrantic
quadrantic hemianopia
quadrantic scotoma
quadrants
quadraphonic
quadraphonic system
quadraphonics
quadraphony
quadrasonic

Literary usage of Quadrantal

Below you will find example usage of this term as found in modern and/or classical literature:

1. Nature by Norman Lockyer (1878)
"Evans and Archibald Smith, admit of the correction of the quadrantal error in the usual manner, without the introduction of a still more pernicious error, ..."

2. Plane and Spherical Trigonometry by Claude Irwin Palmer, Charles Wilbur Leigh (1916)
"quadrantal triangles. — When one B side of a spherical triangle is equal to 90°, the triangle is called a quadrantal triangle. By taking the polar triangle ..."

3. Elements of Geometry and Trigonometry from the Works of A.M. Legendre by Charles Davies, Adrien Marie Legendre, John Howard Van Amringe (1885)
"A quadrantal Spherical Triangle is one in which one side is equal to 90°. ... The supplemental polar triangle of any quadrantal triangle being solved, ..."

4. Report of the Annual Meeting (1862)
"It, however, occurred to Mr. Evans to apply this arrangement to correct the usual positive quadrantal deviation, and one pair of the compasses of II. ..."

5. Plane and Spherical Trigonometry: And Four-place Tables of Logarithms by William Anthony Granville (1909)
"A quadrantal triangle is a spherical triangle one side of which is a quadrant ... Therefore, to solve a quadrantal triangle we have only to solve its polar ..."

6. The Magnetism of Ships and the Deviations of the Compass by Liverpool Compass Committee, United States Bureau of Naval Personnel, Archibald Smith, Frederick John Evans (1869)
"The following additional remarks on quadrantal deviation are offered ... quadrantal deviation may be large in amount in a small ship, and small in a large ..."

7. Elements of Geometry and Trigonometry: With Applications in Mensuration by Adrien Marie Legendre, Charles Davies (1858)
"^4 quadrantal triangle is a spherical triangle having one of its sides equal to 90°. ... If either two parts of the quadrantal triangle be given, ..."

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