noun
- Astronomy) a real or apparent slow oscillation of a moon or satellite. (
- usage: "the libration of the moon"
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). libration. Retrieved September 20, 2026, from http://smartdefine.org/libration/definitions/1243460 |
| Chicago | WordNet. 2010. "libration" http://smartdefine.org/libration/definitions/1243460 (accessed September 20, 2026). |
| Harvard | WordNet 2010, libration, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/libration/definitions/1243460>. |
| MLA | WordNet. "libration" 23 October 2010. Web. 20 September 2026. <http://smartdefine.org/libration/definitions/1243460> |