libration
The act of libratingThe act of librating.
Meaning
6 senses(countable, uncountable)The act of librating.
Ausschwingen, Pendeln
качаниеkačanije
(countable, uncountable)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.
Libration
либра́цияlibrácija, либра́цияlibrácija
(broadly, countable, uncountable)A similar rotational or orbital characteristic of some other celestial body.
(countable, uncountable)The oscillation of an angle about a stable equilibrium point.
(countable, uncountable)A vibrational degree of freedom whereby a group of atoms partly rotates back and forth, similar to the Moon's motion.
(countable, figuratively, uncountable)A wavering between two opposing thoughts or choices.
- (astronomy) a real or apparent slow oscillation of a moon or satellite
Translations
2 languagesBy meaning 2
By meaning 2
Origin
From Latin lībrātiō (“a hurling, swinging”), from lībrō (“poise, cause to swing”).From Latin lībrātiō (“a hurling, swinging”), from lībrō (“poise, cause to swing”).
Wiktionary, CC BY-SA 4.0 · source
Forms
plural: librations| Singular | libration |
|---|---|
| Plural | librations |
regular
Word family
6 related wordsLessons for this word
1 lessons- A1Countable and uncountable nouns — Because it can be uncountable