[1] : The Collaborative International Dictionary of English v.0.48

magnetic meridian \magnetic meridian\ physics, n.
   an imaginary line passing through both magnetic poles of the
   earth.
   wordnet 1.5

[2] : The Collaborative International Dictionary of English v.0.48

meridian \merid"ian\, n. f. m'eridien. see meridian, a.
   1913 webster
   1. midday; noon.
      1913 webster

   2. hence: the highest point, as of success, prosperity, or
      the like; culmination.
      1913 webster

            i have touched the highest point of all my
            greatness,
            and from that full meridian of my glory
            i haste now to my setting.            --shak.
      1913 webster

   3. astron. a great circle of the sphere passing through the
      poles of the heavens and the zenith of a given place. it
      is crossed by the sun at midday.
      1913 webster

   4. geog. a great circle on the surface of the earth,
      passing through the poles and any given place; also, the
      half of such a circle included between the poles.
      1913 webster

   note: the planes of the geographical and astronomical
         meridians coincide. meridians, on a map or globe, are
         lines drawn at certain intervals due north and south,
         or in the direction of the poles.
         1913 webster

   calculated for the meridian of, or fitted to the meridian
   of, or adapted to the meridian of, suited to the local
      circumstances, capabilities, or special requirements of.
      1913 webster

            all other knowledge merely serves the concerns of
            this life, and is fitted to the meridian thereof.
                                                  --sir m. hale.
      1913 webster

   first meridian or prime meridian, the meridian from which
      longitudes are reckoned. the meridian of greenwich is the
      one commonly employed in calculations of longitude by
      geographers, and in actual practice, although in various
      countries other and different meridians, chiefly those
      which pass through the capitals of the countries, are
      occasionally used; as, in france, the meridian of paris;
      in the united states, the meridian of washington, etc.

   guide meridian public land survey, a line, marked by
      monuments, running north and south through a section of
      country between other more carefully established meridians
      called principal meridians, used for reference in
      surveying. u.s.

   magnetic meridian, a great circle, passing through the
      zenith and coinciding in direction with the magnetic
      needle, or a line on the earth's surface having the same
      direction.

   meridian circle astron., an instrument consisting of a
      telescope attached to a large graduated circle and so
      mounted that the telescope revolves like the transit
      instrument in a meridian plane. by it the right ascension
      and the declination of a star may be measured in a single
      observation.

   meridian instrument astron., any astronomical instrument
      having a telescope that rotates in a meridian plane.

   meridian of a globe, or brass meridian, a graduated
      circular ring of brass, in which the artificial globe is
      suspended and revolves.
      1913 webster
see also:
meridian calculated for the meridian of fitted to the meridian of adapted to the meridian of first meridian prime meridian 
guide meridian magnetic meridian meridian circle meridian instrument meridian of a globe 
brass meridian 

[3] : WordNet (r) 2.0

magnetic meridian
     n : an imaginary line passing through both magnetic poles of the
         earth

Meridian >> M Words
Meridian, definition of term: Meridian
meridian_pag1.html

Magnetic >> M Words
Magnetic, definition of term: Magnetic
magnetic_pag1.html

Magnetic Permea >> M Words
Magnetic Permea, definition of term: Magnetic Permea
magnetic+permea_pag1.html

Magnetic North >> M Words
Magnetic North, definition of term: Magnetic North
magnetic+north_pag1.html

Magnetic Poles >> M Words
Magnetic Poles, definition of term: Magnetic Poles
magnetic+poles_pag1.html

Magnetic Resona >> M Words
Magnetic Resona, definition of term: Magnetic Resona
magnetic+resona_pag1.html

Magnetic Variat >> M Words
Magnetic Variat, definition of term: Magnetic Variat
magnetic+variat_pag1.html

Magnetic Tape >> M Words
Magnetic Tape, definition of term: Magnetic Tape
magnetic+tape_pag1.html

Magnetic Levita >> M Words
Magnetic Levita, definition of term: Magnetic Levita
magnetic+levita_pag1.html

Magnetic Force >> M Words
Magnetic Force, definition of term: Magnetic Force
magnetic+force_pag1.html

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