from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. Of or pertaining to parallax

from the GNU version of the Collaborative International Dictionary of English

  • adj. Of or pertaining to a parallax.

from The Century Dictionary and Cyclopedia

  • Of, pertaining to, of the nature of, or characterized by parallax.
  • The angle between the vertical circle and the declination circle of a star.


Sorry, no etymologies found.



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  • "Something relating to the parallax of the heavenly bodies.

    "Parallactic Angle of a Star, is the difference of the two angles, under which its true and apparent distance from the zenith is seen....

    "Parallactic Rotula, an instrument invented by the late Mr. Ferguson, and afterwards improved by Chevalier de Borda, for clearing the distance in taking lunar observations."

    Falconer's New Universal Dictionary of the Marine (1816), 332

    October 14, 2008