from The American Heritage® Dictionary of the English Language, 4th Edition

  • adj. Lying or occurring in the same plane. Used of points, lines, or figures.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. Within the same plane.
  • adj. Orbiting a central celestial object within the same orbital plane.

from the GNU version of the Collaborative International Dictionary of English

  • adj. Situated in one plane.

from The Century Dictionary and Cyclopedia

  • Lying in one plane.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • adj. lying in the same plane


Sorry, no etymologies found.


  • If the image is not coplanar with the crosshairs (that is the image is either in front of or behind the crosshairs), then putting your eye at different points behind the ocular causes the crosshairs to appear to be at different points on the target.

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  • Do not let your foot enter the three-dimensional space dedicated to the next stall, which is bounded above and below by an invisible wall coplanar with the partition.

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  • Levels of PBDEs, PCDDs, PCDFs, and coplanar PCBs in edible fish from California coastal waters.

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  • Linus knew from his college days that the peptide bond had to be rigid and coplanar.

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  • Neither b1 nor b2 meets a, but a meets every line through Q that is coplanar with a and makes with PQ an angle less than μ.

    Nineteenth Century Geometry

  • If Euclid's Postulate is denied, there are countless straight lines through Q, coplanar with a, that make acute angles with PQ but never meet a. Consider the set of real numbers which are the magnitudes of these acute angles.

    Nineteenth Century Geometry

  • Q, coplanar with a, that make an angle of size μ with

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  • Newton could not explain the coplanar orbits of planets and surmised,

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  • June 17, 2006, 4: 01 pm card with bad credit says: card with bad credit maintainer internship decrypt arrangements. coplanar cusp

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  • An inertial system is a coordinate system with respect to which three free particles, projected from a single point and moving in non-coplanar directions, move in straight lines and travel mutually-proportional distances.

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