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equatorial plane

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noun Astronomy.

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. 2021

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Medical definitions for equatorial plane

equatorial plane
[ ē′kwə-tôrē-əl, ĕk′wə- ]

n.

The plane that contains all of the centromeres and their spindle attachments during metaphase of mitosis.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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