grav ‧ i ‧ ta ‧ tion ‧ al /ˌɡrævəˈteɪʃ ə nəl◂, ˌɡrævɪˈteɪʃ ə nəl◂/ BrE AmE adjective [usually before noun] technical
related to or resulting from the force of gravity:
the Moon’s gravitational field
the gravitational pull of the Moon
grav ‧ i ‧ ta ‧ tion ‧ al /ˌɡrævəˈteɪʃ ə nəl◂, ˌɡrævɪˈteɪʃ ə nəl◂/ BrE AmE adjective [usually before noun] technical
related to or resulting from the force of gravity:
the Moon’s gravitational field
the gravitational pull of the Moon
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012