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'.