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equatorial plane

American  

noun

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


Etymology

Origin of equatorial plane

First recorded in 1890–95

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

During metaphase, the “change phase,” all the chromosomes are aligned in a plane called the metaphase plate, or the equatorial plane, midway between the two poles of the cell.

From Textbooks • Jun. 9, 2022

During metaphase, all of the chromosomes are aligned in a plane called the metaphase plate, or the equatorial plane, midway between the two poles of the cell.

From Textbooks • Apr. 25, 2013

In this case, there are two possible arrangements at the equatorial plane in metaphase I, as shown in the upper cell of each panel.

From Textbooks • Apr. 25, 2013

Thus every 14 years or so, when the earth passes through Saturn's equatorial plane and astronomers can get an edge-on view of the rings, their glow practically disappears.

From Time Magazine Archive

When a charged particle bounces from one magnetic pole to the other, it must cross the equatorial plane of Saturn.

From "Cosmos" by Carl Sagan

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