سنة ضوئية

Arabic

Etymology

Calque of English light year, from سَنَة‎ (sana, “year”) and ضَوْء‎ (ḍawʾ, “light”)

Noun

سَنَة ضَوْئِيَّة • (sana ḍawʾiyya) f (plural سِنُون ضَوْئِيَّة‎ (sinūn ḍawʾiyya))

(astronomy) light year, lightyear

Related terms

فَرْسَخ‎ (farsaḵ, “parsec”)
وَحْدَة فَلَكِيَّة‎ (waḥda falakiyya, “astronomical unit, AU”)

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