libration
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libration
- /laɪˈbɹeɪ.ʃən/ UK, US
Rhymes with -eɪʃən
Where it comes from
From Latin lībrātiō (“a hurling, swinging”), from lībrō (“poise, cause to swing”).
noun librations
- The act of librating.
- The apparent wobble or variation in the visible side of the Moon that permanently faces the Earth, allowing observers on Earth to see, over a period of time, slightly more than half of the lunar surface.
- A similar rotational or orbital characteristic of some other celestial body.
- The oscillation of an angle about a stable equilibrium point.
- A vibrational degree of freedom whereby a group of atoms partly rotates back and forth, similar to the Moon's motion.
- A wavering between two opposing thoughts or choices. We may not quarrel with attempts to picture the libration of emotion which sways Clytaemestra as she veers from love for her husband to the desire to take vengeance upon him[…]
Translations
Talk about this word "libration." Wiktionary, via Micwyn, micwyn.com/word/libration. Accessed 6 Nov. 2026. libration. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/libration "libration." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/libration.Cite this
@misc{libration_2026,
title = {libration},
howpublished = {Wiktionary, via Micwyn},
year = {2026},
url = {https://micwyn.com/word/libration},
urldate = {2026-11-06}
}
