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sidereal

adjectivemasculine/femininetécnico/sidɨˈɾaɫ/low

si·de·ral

Definition

Relating to the stars, constellations, or celestial space.
Sidereal distances are measured in light-years.
The observatory studies sidereal motions.
Common collocations
sidereal distancesidereal spacesidereal motionsidereal time

Etymology

Do latim 'sidus, sideris' (astro, constelação) + sufixo '-al'.

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