sidereal second

noun

: the 60th part of a sidereal minute

Word History

First Known Use

1849, in the meaning defined above

Time Traveler
The first known use of sidereal second was in 1849

Dictionary Entries Near sidereal second

Cite this Entry

“Sidereal second.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sidereal%20second. Accessed 20 Jul. 2024.

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