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
Recent Examples on the Web
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
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
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'sidereal.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
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Cite this Entry
“Sidereal.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sidereal. Accessed 5 Nov. 2024.
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