Meanings
plural autumnal equinoxes
- astronomyThe moment at which the Sun appears to cross the celestial equator while moving away from the observer’s hemisphere, occurring in September in the Northern Hemisphere and in March in the Southern Hemisphere.
Synonyms: fall equinox
Synonyms & antonyms
nounThe moment at which the Sun appears to cross the celestial equator while moving away from the observer’s hemisphere, occurring in September in the Northern Hemisphere and in March in the Southern Hemisphere.
More synonyms by meaning
Synonym sets from Open English WordNet, CC BY 4.0.
Translations
Catalan equinocci de tardor, equinocci de tardor
- equinocci de tardormoment
- equinocci de tardorpoint
Chinese Mandarin 秋分, 秋分點 /秋分点
- 秋分 (qiūfēn)moment
- 秋分點 /秋分点 (qiūfēndiǎn)point
Czech podzimní rovnodennost
- podzimní rovnodennostmoment
Danish efterårsjævndøgn
- efterårsjævndøgnmoment
Esperanto aŭtuna ekvinokso
- aŭtuna ekvinoksomoment
Estonian sügisene pööripäev, sügisene võrdpäevsus
- sügisene pööripäevmoment
- sügisene võrdpäevsusmoment
Finnish syyspäiväntasaus
- syyspäiväntasausmoment
French équinoxe d'automne
- équinoxe d'automnemoment
German Herbsttagundnachtgleiche
- Herbsttagundnachtgleichemoment
Greek φθινοπωρινή ισημερία
- φθινοπωρινή ισημερία (fthinoporiní isimería)moment
Hindi शरद विषुव
- शरद विषुव (śarad viṣuv)moment
Icelandic haustjafndægur, haustpunktur
- haustjafndægurmoment
- haustpunkturpoint
Irish cónocht an fhómhair, cónocht an fhómhair
- cónocht an fhómhairmoment
- cónocht an fhómhairpoint
- Túsphointe Librapoint
Italian equinozio d'autunno
- equinozio d'autunnopoint
Japanese 秋分, 秋分点
- 秋分 (shūbun)moment
- 秋分点 (shūbunten)point
Norwegian Bokmål høstjevndøgn
- høstjevndøgnmoment
Persian اعتدال پاییزی
- اعتدال پاییزی (e'tedâl-e pâyizi)moment
Polish równonoc jesienna, równonoc jesienna
- równonoc jesiennamoment
- równonoc jesiennapoint
Portuguese equinócio de outono, equinócio de outono
- equinócio de outonomoment
- equinócio de outonopoint
Romanian echinocțiu de toamnă, punct autumnal
- echinocțiu de toamnămoment
- punct autumnalpoint
Russian осе́ннее равноде́нствие, осе́ннее равноде́нствие
- осе́ннее равноде́нствие (osénneje ravnodénstvije)moment
- осе́ннее равноде́нствие (osénneje ravnodénstvije)point
Scottish Gaelic co-fhad-thràth an fhoghair
- co-fhad-thràth an fhoghairmoment
Slovak jesenná rovnodennosť
- jesenná rovnodennosťmoment
Spanish equinoccio otoñal, equinoccio otoñal
- equinoccio otoñalmoment
- equinoccio otoñalpoint
Swedish höstdagjämning
- höstdagjämningmoment
Thai ศารทวิษุวัต, ศารทวิษุวัต
- ศารทวิษุวัต (sarathawisuwat)moment
- ศารทวิษุวัต (sarathawisuwat)point
Turkish sonbahar ekinoksu, sonbahar noktası
- sonbahar ekinoksumoment
- sonbahar noktasıpoint
Ukrainian осі́ннє рівноде́ння
- осі́ннє рівноде́ння (osínnje rivnodénnja)moment
Cite this entry
autumnal equinox. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/autumnal%20equinox
“autumnal equinox.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/autumnal%20equinox. Accessed November 5, 2026.
WatkinsX Dictionary, s.v. “autumnal equinox,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/autumnal%20equinox.
Source: autumnal equinox on Wiktionary, CC BY-SA 4.0.