Circle of declination

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 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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  • Circle of declination — Circle Cir cle (s[ e]r k l), n. [OE. cercle, F. cercle, fr. L. circulus (Whence also AS. circul), dim. of circus circle, akin to Gr. kri kos, ki rkos, circle, ring. Cf. {Circus}, {Circum }.] [1913 Webster] 1. A plane figure, bounded by a single… …   The Collaborative International Dictionary of English

  • circle of declination — Astron. See hour circle. [1585 95] * * * circle of declination, Astronomy. a great circle of the sphere, the plane of which is perpendicular to the equator …   Useful english dictionary

  • circle of declination — Astron. See hour circle. [1585 95] * * * …   Universalium

  • 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 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

  • 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

  • Circle — Cir cle (s[ e]r k l), n. [OE. cercle, F. cercle, fr. L. circulus (Whence also AS. circul), dim. of circus circle, akin to Gr. kri kos, ki rkos, circle, ring. Cf. {Circus}, {Circum }.] [1913 Webster] 1. A plane figure, bounded by a single curve… …   The Collaborative International Dictionary of English

  • Circle of altitude — Circle Cir cle (s[ e]r k l), n. [OE. cercle, F. cercle, fr. L. circulus (Whence also AS. circul), dim. of circus circle, akin to Gr. kri kos, ki rkos, circle, ring. Cf. {Circus}, {Circum }.] [1913 Webster] 1. A plane figure, bounded by a single… …   The Collaborative International Dictionary of English

  • Circle of curvature — Circle Cir cle (s[ e]r k l), n. [OE. cercle, F. cercle, fr. L. circulus (Whence also AS. circul), dim. of circus circle, akin to Gr. kri kos, ki rkos, circle, ring. Cf. {Circus}, {Circum }.] [1913 Webster] 1. A plane figure, bounded by a single… …   The Collaborative International Dictionary of English

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