libration point

noun

: any of five positions in the plane of a celestial system consisting of one massive body orbiting another at which the gravitational influences of the two bodies are approximately equal

Word History

First Known Use

1962, in the meaning defined above

Time Traveler
The first known use of libration point was in 1962

Dictionary Entries Near libration point

libration of the moon

libration point

librettist

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Cite this Entry

“Libration point.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/libration%20point. Accessed 27 Mar. 2023.

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