Vocabulary : Librated to Libriform
Librated : of LibrateLibrating : of Librate
Libration : The act or state of librating. ;; A real or apparent libratory motion, like that of a balance before coming to rest.
Libration point : any one of five points in the plane of a system of two large astronomical bodies orbiting each other, as the Earth-moon system, where the gravitational pull of the two bodies on an object are approximately equal, and in opposite directions. A solid object moving in the same velocity and direction as such a libration point will remain in gravitational equilibrium with the two bodies of the system and not fall toward either body.
Libratory : Balancing; moving like a balance, as it tends to an equipoise or level.