cislunar

[sis-loo-ner]

adjective

Astronomy.

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

cislunar

/ sɪsˈluːnə /

adjective

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

Word History and Origins

Origin of cislunar¹

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."

Read more on Salon

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.

Read more on Scientific American

In November of last year, a White House interagency working group within the National Science and Technology Council produced a cislunar technology strategy.

Read more on Scientific American

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

Read more on The Verge

Defending so-called “cislunar space” — the volume of space outside of geosynchronous Earth orbit and within the gravitational pull of the moon — is outlined in a memorandum of understanding between the new Space Force and NASA.

Read more on Washington Times