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sidereal

/saɪˈdɪə.ri.əl/

الترجمة: متعلق بالنجوم أو الأبراج النجمية؛ ما يقاس أو يحدد بواسطة الحركة الظاهرية للنجوم.

مدخل واحد

adjective

C2formalcommonscientific/saɪˈdɪə.ri.əl/

Relating to the stars or constellations; measured or determined by the apparent motion of the stars.

  • 🌐متعلق بالنجوم أو الأبراج النجمية؛ ما يقاس أو يحدد بواسطة الحركة الظاهرية للنجوم.
  1. Relating to stars C2 formal scientific

    Pertaining to the stars or constellations in the sky.

    • Sidereal navigation was essential for ancient sailors.
    • The sidereal map shows the positions of constellations.
    • Astronomers study sidereal phenomena to understand the universe.

    🌐نجمي

    المرادفات: astralcelestialstarrystellar

  2. Based on star motion C2 formal scientific

    Describing time measurements that are based on the apparent daily motion of the stars, rather than the Sun.

    • A sidereal day is about 4 minutes shorter than a solar day.
    • Sidereal time is used by astronomers to track celestial objects.
    • The sidereal year is the time it takes for Earth to orbit the Sun relative to the fixed stars.

    🌐نجمي

  • more sidereal comparative form
  • most sidereal superlative form