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 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.

Look at other dictionaries:

  • 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 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… …   The Collaborative International Dictionary of English

  • Declension of the needle — Declension De*clen sion, n. [Apparently corrupted fr. F. d[ e]clinaison, fr. L. declinatio, fr. declinare. See {Decline}, and cf. {Declination}.] 1. The act or the state of declining; declination; descent; slope. [1913 Webster] The declension of… …   The Collaborative International Dictionary of English

  • Variation 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

  • Variation of the moon — 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

  • Technology of the Song Dynasty — The Song Dynasty ( zh. 宋朝; 960–1279 CE) provided some of the most significant technological advances in Chinese history, many of which came from talented statesmen drafted by the government through imperial examinations.The ingenuity of advanced… …   Wikipedia

  • 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 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 — ► NOUN 1) Astronomy the angular distance of a point north or south of the celestial equator. 2) the angular deviation of a compass needle from true north …   English terms dictionary

  • declination — noun Etymology: Middle English declinacioun, from Middle French declination, from Latin declination , declinatio angle of the heavens, turning aside Date: 14th century 1. angular distance north or south from the celestial equator measured along a …   New Collegiate Dictionary

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