Sidereal
Definition, Meaning & Examples
Pronunciation /saɪˈdɪə.ɹi.əl/ · Part of speech adjective
Quick meaning: Sidereal is an adjective meaning Of or relating to the stars.
Meaning
Of or relating to the stars.
More Meanings
- (astronomy) Relating to a measurement of time relative to the position of the stars.
- (astronomy) Relating to a measurement of time relative to the point of the vernal equinox.
Example Sentences
Then, from a sufficient number of observations of synodic periods to give their mean, we obtain the sidereal period, or period with reference to the stars.
The field of sidereal astronomy, therefore, was virtually untrodden when, shortly after the beginning of his telescopic work, Herschel began his first review of the heavens.
These fringes of lamplight, struggling up through smoke and thousandfold exhalation, some fathoms into the ancient reign of Night, what thinks Boötes of them, as he leads his Hunting-Dogs over the Zenith in their leash of sidereal fire?
Word Forms
- sideral
- sidaereal
Antonyms for sidereal
Common opposites include civil.
Related Words
Related dictionary entries include astral, sideral, stellar, starly, celestial, heavenish.
Related Dictionary Tools
Sources & Attribution
FreeDictionaryAPI.com / Wiktionary · Original source · CC BY-SA 4.0
Dictionary data is provided by FreeDictionaryAPI.com and sourced from Wiktionary under its stated license.