apastron
Appearance
See also: Apastron
English
[edit]Etymology
[edit]From English apo- (prefix meaning ‘away from, separate’) + Ancient Greek ᾰ̓́στρον (ástron, “fixed star”), modelled after aphelion.[1] Ἄ̆στρον (Ástron) is derived from ᾰ̓στήρ (astḗr, “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).
Pronunciation
[edit]- (Received Pronunciation) IPA(key): /æˈpæstɹ(ə)n/
Audio (Southern England): (file) - (General American) IPA(key): /æˈpæstɹən/, [ə-]
- Hyphenation: ap‧as‧tron
Noun
[edit]apastron (plural apastrons or apastra)
- (astronomy) The point of greatest separation between a celestial object and the star which it orbits.
- Antonym: periastron
Alternative forms
[edit]Hypernyms
[edit]Coordinate terms
[edit]Translations
[edit]point of greatest separation between a celestial object and the star which it orbits
References
[edit]- ^ “apastron, n.”, in OED Online , Oxford: Oxford University Press, December 2012; “apastron, n.”, in Lexico, Dictionary.com; Oxford University Press, 2019–2022.
Further reading
[edit]Anagrams
[edit]Polish
[edit]Etymology
[edit]From Ancient Greek ἀπό- (apó-) + Ancient Greek ᾰ̓́στρον (ástron).
Pronunciation
[edit]Noun
[edit]apastron m inan
- (astronomy) apastron
- Antonyms: periastron, peryastron
Declension
[edit]Declension of apastron
singular | plural | |
---|---|---|
nominative | apastron | apastrony |
genitive | apastronu | apastronów |
dative | apastronowi | apastronom |
accusative | apastron | apastrony |
instrumental | apastronem | apastronami |
locative | apastronie | apastronach |
vocative | apastronie | apastrony |
Further reading
[edit]- apastron in Polish dictionaries at PWN
Categories:
- English terms derived from Proto-Indo-European
- English terms derived from the Proto-Indo-European root *h₂eHs-
- English terms derived from Ancient Greek
- English 3-syllable words
- English terms with IPA pronunciation
- English terms with audio pronunciation
- English lemmas
- English nouns
- English countable nouns
- English nouns with irregular plurals
- en:Astronomy
- English terms prefixed with apo-
- Polish terms derived from Ancient Greek
- Polish 3-syllable words
- Polish terms with IPA pronunciation
- Polish terms with audio pronunciation
- Rhymes:Polish/astrɔn
- Rhymes:Polish/astrɔn/3 syllables
- Polish lemmas
- Polish nouns
- Polish masculine nouns
- Polish inanimate nouns
- pl:Astronomy