Definition of cislunar in English:

cislunar

adjective

  • Between the earth and the moon.

    ‘the darkness of cislunar space’
    • ‘It is definitely one of the premier geological wonders of cislunar space.’
    • ‘Imagine it is 20, 50, or 100 years after lunar mining becomes established and after a genuine cislunar economy becomes established.’
    • ‘I will, therefore, limit this discussion to cislunar space; to the smaller orbits where the required resources are available.’
    • ‘These missions could also serve as a pathfinder, providing guidance for designing new vehicles that would fly in cislunar space.’
    • ‘Space skills will be valuable and firms and people with experience on the Moon will be well able to help develop cislunar and Martian systems.’

Pronunciation:

cislunar

/sisˈlo͞onər/