li·bra·tion
| \ lī-ˈbrā-shən
\
\
Definition of libration
: an oscillation in the apparent aspect of a secondary body (such as a planet or a satellite) as seen from the primary object around which it revolves
Other Words from libration
librational
\
lī-ˈbrā-shnəl
, -shə-nᵊl
\
adjective
, -shə-nᵊl
\
adjective
libratory
\
ˈlī-brə-ˌtȯr-ē
\
adjective
\
adjective
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“Libration.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/libration. Accessed 15 Apr. 2021.
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Time Traveler for libration
The first known use of libration was in 1667
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