astronomical clock

noun

1
: a high-precision clock (such as a Riefler clock or a quartz-crystal clock) used in an astronomical observatory to time the movements of celestial bodies or assist in locating them or to serve as the basis of standard time
2
: a clock with mechanism and dials for indicating various astronomical phenomena (such as phases of the moon, movements of the planets)

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Dictionary Entries Near astronomical clock

Cite this Entry

“Astronomical clock.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/astronomical%20clock. Accessed 26 Nov. 2024.

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