资料来源 : pyDict

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资料来源 : Webster's Revised Unabridged Dictionary (1913)

Ecliptic \E*clip"tic\, n. [Cf. F. ['e]cliptique, L. linea
   ecliptica, Gr. ?, prop. adj., of an eclipse, because in this
   circle eclipses of the sun and moon take place. See
   {Ecliptic}, a.]
   1. (Astron.) A great circle of the celestial sphere, making
      an angle with the equinoctial of about 23[deg] 28'. It is
      the apparent path of the sun, or the real path of the
      earth as seen from the sun.

   2. (Geog.) A great circle drawn on a terrestrial globe,
      making an angle of 23[deg] 28' with the equator; -- used
      for illustrating and solving astronomical problems.

Ecliptic \E*clip"tic\, a. [L. eclipticus belonging to an
   eclipse, Gr. ?. See {Eclipse}.]
   1. Pertaining to the ecliptic; as, the ecliptic way.

   2. Pertaining to an eclipse or to eclipses.

   {Lunar ecliptic limit} (Astron.), the space of 12[deg] on the
      moon's orbit from the node, within which, if the moon
      happens to be at full, it will be eclipsed.

   {Solar ecliptic limit}, the space of 17[deg] from the lunar
      node, within which, if a conjunction of the sun and moon
      occur, the sun will be eclipsed.

资料来源 : WordNet®

ecliptic
     n : the great circle representing the apparent annual path of
         the sun; the plane of the Earth's orbit around the sun;
         makes an angle of about 23 degrees with the equator; "all
         of the planets rotate the sun in approximately the same
         ecliptic"