apastron
ap·as·tron
apastron · apastrons · apastra
Apastron
The point of greatest separation between a celestial object and the star which it orbitsThe point of greatest separation between a celestial object and the star which it orbits.
UK/æˈpæstɹ(ə)n/US/æˈpæstɹən/
Meaning
1 sensesThe point of greatest separation between a celestial object and the star which it orbits.
Apastron
Translations
3 languagesDeutsch
By meaning 1
point of greatest separation between a celestial object and the star which it orbits:
Origin
From English ap- (prefix meaning ‘away from, separate’) + Ancient Greek ᾰ̓́στρον (ắstron,From English ap- (prefix meaning ‘away from, separate’) + Ancient Greek ᾰ̓́στρον (ắstron, “fixed star”), modelled after aphelion. Ἄ̆στρον (Á̆stron) is derived from ᾰ̓στήρ (ăstḗr, “celestial body (including a star, planet, meteor, etc.)”) (ultimately from Proto-Indo-European *h₂eHs- (“to burn; to glow”)) + -ον (-on, suffix forming nominative, accusative and vocative singular nouns).
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Forms
plural: apastrons / apastraAntonyms
1 antonymsLessons for this word
1 lessons- A1Plural nouns — Because its plural is irregular