ALL meanings of libration
li·bra·tion
L l - noun libration An apparent or real oscillation of the moon, by which parts near the edge of the disc that are often not visible from the earth sometimes come into view. 1
- noun libration a real or apparent oscillatory motion, especially of the moon. 1
- noun libration the act or an instance of oscillating 0
- noun libration a real or apparent oscillation of the moon enabling approximately 59 per cent of the surface to be visible from the earth over a period of time 0
- noun libration the act of librating 0
- noun libration a slight rocking motion of the moon which allows 59% of the moon's surface to be visible from the earth 0