mean solar second


mean so·​lar sec·​ond -ˌsō-lər-ˈsek-ənd, -ənt How to pronounce mean solar second (audio)
: an mks unit of time equal to 1/86,400 of a mean solar day

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Cite this Entry

“Mean solar second.” Medical Dictionary, Merriam-Webster, Accessed 16 Jun. 2024.

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