cislunar

American  

[sis-loo-ner] / sɪsˈlu nər /

adjective

Astronomy.

1. of or relating to the space between the earth and the orbit of the moon.

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cislunar British  

/ sɪsˈluːnə /

adjective

1. of or relating to the space between the earth and the moon Compare translunar

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Etymology

Origin of cislunar

First recorded in 1865–70; cis- + lunar

Example Sentences

"Their activities include the development of space tourism, investments in lunar surface habitation and mining, research and development in space manufacturing and assembly, new cislunar orbits and satellite internet constellations."

From Salon • Dec. 13, 2023

In the case of space debris, we’re focused on characterizing the carrying capacity of various “habitats” in near-Earth orbit to include cislunar space.

From Scientific American • Aug. 1, 2023

That way the outpost can have an extended lifetime in cislunar space.

From The Verge • Feb. 3, 2022

The commission report warned that China wants to dominate the zone between the Earth and the moon, known as cislunar space, as part of what the ruling Communist Party of China calls the “Space Dream.”

From Washington Times • Nov. 24, 2019

“NASA could likely maintain its cislunar human activities with a single law-enforcement agent, should it become necessary as commercial growth expands,” he said.

From Scientific American • Sep. 30, 2018