Definition
Related to or occurring at the time of the equinox, when day and night are approximately equal length; also refers to the celestial equator.
Etymology
From Latin 'equinoctialis', derived from 'equinoctium' (equinox), which combines 'equi-' (equal) and 'nox' (night). The term evolved in astronomical contexts to describe phenomena tied to the two times yearly when the sun crosses the celestial equator.
Kelly Says
The equinoctial line (the celestial equator) was crucial for early navigation—sailors could use it to determine their latitude at sea. The word contains the secret of the equinox itself: 'equi' means equal and 'nox' means night, so an equinox literally means when night is equal to day!
Translations
ARالعربية
الربيع
al-rabi-e
CACatalà
equinoccial
e-kwi-no-k-see-al
CSČeština
rovnodennost
ro-vno-de-nost
DADansk
ækvinoctial
ek-vi-nokt-see-al
DEDeutsch
äquinoctial
ay-kwi-nokt-see-al
ELΕλληνικά
ισοήνιος
i-so-e-nios
ESEspañol
equinoccial
e-kwi-no-k-see-al
FISuomi
päiväntasaus
pai-ven-ta-sa-us
FRFrançais
équinoxial
e-ki-no-k-see-al
HEעברית
אֶקְוִינוֹקְצִיאָל
e-kwi-no-k-tsi-al
IDBahasa Indonesia
ekinoks
e-ki-noks
ITItaliano
equinoziale
e-kwi-no-tsee-ale
MSBahasa Melayu
ekinoks
e-ki-noks
MYမြန်မာ
ကျွန်တော်
kye-un-tawr
NLNederlands
equinoctial
e-kwi-nokt-see-al
NONorsk
ekvinoks
e-kwi-noks
PLPolski
równonoc
ro-wo-noc
PTPortuguês
equinócio
e-kwi-no-tsi-o
RUРусский
эквиноциальный
ek-vi-no-tsi-al-nyy
SVSvenska
ekvinoctial
e-kwi-nokt-see-al
SWKiswahili
sawadi
sa-wa-di
TAதமிழ்
வசந்தம்
va-san-tham
TEతెలుగు
వసంతం
va-san-tham
THไทย
ฤดูใบไม้ผลิ
roo-doo-bai-mai-phi
TRTürkçe
ekinoks
e-ki-noks
UKУкраїнська
осінній
o-sin-nii
URاردو
اِسْتِقْبَال
is-te-q-bal
VITiếng Việt
điểm xuân phân
đi-ểm-xuân-phân