Declination of the compass

Declination of the compass
Declination Dec`li*na"tion, n. [L. declinatio a bending aside, an avoiding: cf. F. d['e]clination a decadence. See {Declension}.] 1. The act or state of bending downward; inclination; as, declination of the head. [1913 Webster]

2. The act or state of falling off or declining from excellence or perfection; deterioration; decay; decline. ``The declination of monarchy.'' --Bacon. [1913 Webster]

Summer . . . is not looked on as a time Of declination or decay. --Waller. [1913 Webster]

3. The act of deviating or turning aside; oblique motion; obliquity; withdrawal. [1913 Webster]

The declination of atoms in their descent. --Bentley. [1913 Webster]

Every declination and violation of the rules. --South. [1913 Webster]

4. The act or state of declining or refusing; withdrawal; refusal; averseness. [1913 Webster]

The queen's declination from marriage. --Stow. [1913 Webster]

5. (Astron.) The angular distance of any object from the celestial equator, either northward or southward. [1913 Webster]

6. (Dialing) The arc of the horizon, contained between the vertical plane and the prime vertical circle, if reckoned from the east or west, or between the meridian and the plane, reckoned from the north or south. [1913 Webster]

7. (Gram.) The act of inflecting a word; declension. See {Decline}, v. t., 4. [1913 Webster]

{Angle of declination}, the angle made by a descending line, or plane, with a horizontal plane.

{Circle of declination}, a circle parallel to the celestial equator.

{Declination compass} (Physics), a compass arranged for finding the declination of the magnetic needle.

{Declination of the compass} or {Declination of the needle}, the horizontal angle which the magnetic needle makes with the true north-and-south line. [1913 Webster]


The Collaborative International Dictionary of English. 2000.

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  • Declination of the needle — Declination Dec li*na tion, n. [L. declinatio a bending aside, an avoiding: cf. F. d[ e]clination a decadence. See {Declension}.] 1. The act or state of bending downward; inclination; as, declination of the head. [1913 Webster] 2. The act or… …   The Collaborative International Dictionary of English

  • declination of the needle — Variation Va ri*a tion, n. [OE. variatioun, F. variation, L. variatio. See {Vary}.] [1913 Webster] 1. The act of varying; a partial change in the form, position, state, or qualities of a thing; modification; alternation; mutation; diversity;… …   The Collaborative International Dictionary of English

  • Declination compass — Declination Dec li*na tion, n. [L. declinatio a bending aside, an avoiding: cf. F. d[ e]clination a decadence. See {Declension}.] 1. The act or state of bending downward; inclination; as, declination of the head. [1913 Webster] 2. The act or… …   The Collaborative International Dictionary of English

  • Declination — Dec li*na tion, n. [L. declinatio a bending aside, an avoiding: cf. F. d[ e]clination a decadence. See {Declension}.] 1. The act or state of bending downward; inclination; as, declination of the head. [1913 Webster] 2. The act or state of falling …   The Collaborative International Dictionary of English

  • Declination (disambiguation) — Declination can refer to: Declination, coordinate used in astronomy The noun form of the verb Decline Magnetic declination, angle that must be added or subtracted in the use of compass for geography Grid declination, angle between the compass… …   Wikipedia

  • Compass — This article is about the direction finding instrument used in navigation. For other uses, see Compass (disambiguation). A simple dry magnetic pocket compass …   Wikipedia

  • Angle of declination — Declination Dec li*na tion, n. [L. declinatio a bending aside, an avoiding: cf. F. d[ e]clination a decadence. See {Declension}.] 1. The act or state of bending downward; inclination; as, declination of the head. [1913 Webster] 2. The act or… …   The Collaborative International Dictionary of English

  • Circle of declination — Declination Dec li*na tion, n. [L. declinatio a bending aside, an avoiding: cf. F. d[ e]clination a decadence. See {Declension}.] 1. The act or state of bending downward; inclination; as, declination of the head. [1913 Webster] 2. The act or… …   The Collaborative International Dictionary of English

  • Compass rose — For the meteorological graphic, see Wind rose A common compass rose as is found on a nautical chart showing both true and magnetic north with magnetic declination A compass rose, sometimes called a windrose, is a figure on a compass, map, nau …   Wikipedia

  • compass — compassable, adj. compassless, adj. /kum peuhs/, n. 1. an instrument for determining directions, as by means of a freely rotating magnetized needle that indicates magnetic north. 2. the enclosing line or limits of any area; perimeter: You can… …   Universalium

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