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orbital plane

orbital plane in Medicine

orbital plane n.
The orbital surface of the maxilla that lies perpendicular to the Frankfort plane at the orbitale.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Historical Examples
  • That he and his brother had originally elected to come into this system along its orbital plane had been a mixed blessing.

    Anything You Can Do ... Gordon Randall Garrett
  • Mercury rotates synchronously with its revolution—that is, once in 88 days—on an axis sensibly perpendicular to its orbital plane.

  • Huddled up to resemble stray fragments, they curved out of the Belt—toward the Pole Star, north of its orbital plane.

    The Planet Strappers Raymond Zinke Gallun

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