Gunter's quadrant
Gunter's quadrant Gun"ter's quad`rant A thin quadrant, made of brass, wood, etc., showing a stereographic projection on the plane of the equator. By it are found the hour of the day, the sun's azimuth, the altitude of objects in degrees, etc. See {Gunter's scale}. [1913 Webster]

The Collaborative International Dictionary of English. 2000.

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  • Gunter's quadrant — Quadrant Quad rant, n. [L. quadrans, antis, a fourth part, a fourth of a whole, fr. quattuor four: cf. F. quadrant, cadran. See {Four}, and cf. {Cadrans}.] 1. The fourth part; the quarter. [Obs.] Sir T. Browne. [1913 Webster] 2. (Geom.) The… …   The Collaborative International Dictionary of English

  • Gunter's scale — Gun ter s scale A scale invented by the Rev. Edmund Gunter (1581 1626), a professor of astronomy at Gresham College, London, who invented also {Gunter s chain}, and {Gunter s quadrant}. [1913 Webster] Note: Gunter s scale is a wooden rule, two… …   The Collaborative International Dictionary of English

  • Gunner's quadrant — Quadrant Quad rant, n. [L. quadrans, antis, a fourth part, a fourth of a whole, fr. quattuor four: cf. F. quadrant, cadran. See {Four}, and cf. {Cadrans}.] 1. The fourth part; the quarter. [Obs.] Sir T. Browne. [1913 Webster] 2. (Geom.) The… …   The Collaborative International Dictionary of English

  • Hadley's quadrant — Quadrant Quad rant, n. [L. quadrans, antis, a fourth part, a fourth of a whole, fr. quattuor four: cf. F. quadrant, cadran. See {Four}, and cf. {Cadrans}.] 1. The fourth part; the quarter. [Obs.] Sir T. Browne. [1913 Webster] 2. (Geom.) The… …   The Collaborative International Dictionary of English

  • Quadrant — Quad rant, n. [L. quadrans, antis, a fourth part, a fourth of a whole, fr. quattuor four: cf. F. quadrant, cadran. See {Four}, and cf. {Cadrans}.] 1. The fourth part; the quarter. [Obs.] Sir T. Browne. [1913 Webster] 2. (Geom.) The quarter of a… …   The Collaborative International Dictionary of English

  • Quadrant of altitude — Quadrant Quad rant, n. [L. quadrans, antis, a fourth part, a fourth of a whole, fr. quattuor four: cf. F. quadrant, cadran. See {Four}, and cf. {Cadrans}.] 1. The fourth part; the quarter. [Obs.] Sir T. Browne. [1913 Webster] 2. (Geom.) The… …   The Collaborative International Dictionary of English

  • Gunter, Edmund — ▪ English mathematician born 1581, Hertfordshire, Eng. died Dec. 10, 1626, London       English mathematician who invented many useful measuring devices, including a forerunner of the slide rule.       Gunter was professor of astronomy at Gresham …   Universalium

  • Quadrant (instrument) — Ptolemy using a quadrant A quadrant is an instrument that is used to measure angles up to 90°. It was originally proposed by Ptolemy as a better kind of astrolabe.[1] Several different variations of the instrument were later produced by medieval… …   Wikipedia

  • GUNTER, EDMUND —    mathematician, born in Hertfordshire; was educated at Oxford for the Church, but his natural bent was towards mathematical science, and in 1619 he became professor of Astronomy in Gresham College, London, a position he held till his death; his …   The Nuttall Encyclopaedia

  • Quadrant (instrument) — Pour les articles homonymes, voir Quadrant. Le quadrant mobile d Augustin Stark (1815). Le quadrant est un ancien instrument de navigation qui servait à faire le point sur sa position en …   Wikipédia en Français

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