sidereal
adjective
si·de·re·al
sī-ˈdir-ē-əl 
sə-
: of, relating to, or expressed in relation to stars or constellations : astral
Examples of sidereal in a Sentence
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Called sidereal time, the measurement calculates the length of a day by comparing the earth's rotation to the stars.
—
Aaron Pressman, Fortune, 12 Apr. 2017
One tweet, in particular, has birthed a fair number of inky astronauts floating across a sidereal arm.
—Jesse Lichtenstein, New York Times, 15 June 2017
With this definition, a sidereal year is something like 365.256363 solar days.
—Rhett Allain, WIRED, 29 Feb. 2012
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Aaron Pressman, Fortune, 12 Apr. 2017
One tweet, in particular, has birthed a fair number of inky astronauts floating across a sidereal arm.
—Jesse Lichtenstein, New York Times, 15 June 2017
With this definition, a sidereal year is something like 365.256363 solar days.
—Rhett Allain, WIRED, 29 Feb. 2012
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Cite this Entry
“Sidereal.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sidereal. Accessed 23 Dec. 2024.
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