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单词 equinoctial
释义
equinoctial
(once / 9037 pages)
1adj 2nadj

If something happens right around the time of an equinox — the two days each year when day and night are of equal length — you can describe it as equinoctial.
If your birthday falls on the spring equinox, you can call it equinoctial, and you could also call the fall hurricanes in your coastal town equinoctial storms. In either case, the thing that makes something equinoctial is its proximity to the dates in the spring and fall when the Earth isn't tipped toward or away from the sun but is positioned so the equator lines up with it. The Latin roots are aequus, "equal," and nox, "night."
WORD FAMILY
equinoctial: equinoctials+/equinox: equinoctial, equinoxes
USAGE EXAMPLES
I met with them both in northern and southern Brazil, and have seen them in collections from Par� directly under the equinoctial line.
Swainson, William, Zoological Illustrations, Volume I...(2012)
The first of the equinoctial gales raged from the south west, thundering against the battlemented crags of Cornwall, shrieking up the Devonshire valleys.
Reynolds, Mrs. Baillie, The Tree of Knowledge—A Novel(2012)
Since that the constellation Pisces has become the equinoctial sign, and the Fish is the symbol of the Church.
Westbrook, Richard B., The Eliminator; or, Skeleton Keys t...(2012)
1
adj relating to an equinox (when the lengths of night and day are equal)
2
1n the great circle on the celestial sphere midway between the celestial poles
Syn|Hyper
celestial equator, equinoctial circle, equinoctial line
great circle
a circular line on the surface of a sphere formed by intersecting it with a plane passing through the center
2adj relating to the vicinity of the equator
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更新时间:2025/1/24 1:37:51