Definition of circumlunar in English:

circumlunar

adjective

  • Moving or situated around the moon.

    ‘a circumlunar flight’
    • ‘We think they're searching exotic circumlunar orbits at the moment.’
    • ‘Kennedy approved more money for Saturn, but not for Apollo, which was then planned to eventually conduct circumlunar flights, not a Moon landing.’
    • ‘These will include the basic vehicle, along with a plan to develop it into something capable of a circumlunar flight.’
    • ‘A Soyuz, with a logistics module attached, rounds the Moon on a circumlunar mission.’
    • ‘Reports that the country intends to land a human on the Moon, or even send humans on a circumlunar mission, are easily dismissed.’

Pronunciation:

circumlunar

/ˌsərkəmˈlo͞onər/