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equatorial plane

noun Astronomy.
  1. the plane passing through the equator of the earth or another celestial body.
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Origin of equatorial plane

First recorded in 1890–95
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

equatorial plane in Medicine

equatorial plane

(ē′kwə-tôrē-əl, ĕk′wə-)
n.
  1. The plane that contains all of the centromeres and their spindle attachments during metaphase of mitosis.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.