equinoctial


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Related to equinoctial: equinoctial line, equinox, equinoctial system of coordinates, Equinoctial Points

equinoctial

1. relating to or occurring at either or both equinoxes
2. (of a plant) having flowers that open and close at specific regular times
3. Astronomy of or relating to the celestial equator
4. a storm or gale at or near an equinox
5. another name for celestial equator

equinoctial

[‚ē·kwə′näk·shəl]
(astronomy)

equinoctial

equinoctialclick for a larger image
A primary great circle of the celestial sphere formed by the intersection of the plane of the earth's equator with the celestial sphere. Also called celestial equator.
References in periodicals archive ?
One of the most obscure of these instruments is the equinoctial ring dial, that will need an understanding of latitudes before being used.
Humboldt, Personal Narrative of Travels to the Equinoctial Regions of the New Continent, During the Years 1799-1804, vol.
The British record is still held by Equinoctial who won at Kelso in 1990 at 250-1.
In sooth, thou wast in very gracious fooling last night, when thou spokest of Pigrogromitus, of the Vapians passing the equinoctial of Queuhus (2.
Upon their return, Bonpland was in charge of the classification and publication of the plants of the equinoctial regions of the Americas.
Equinoctial in November 1990 at 250-1 remains the biggest-priced winner of modern times.
2) There is a ninth, outermost sphere (kurah kharijah anha muhitah), which defines the edge or boundary of the universe and supposedly contains no star (ghayr mukawkabah), posited to explain the daily motion of the heaven, whereas the motion of the eighth sphere (that of the fixed stars) is said to be due to the precession of the equinoctial points (nugtatd al-itidal).
It's one of those Kurdish dishes that take the better part of an Equinoctial cycle to make and is either eaten every morning, once or twice a year or never ever even under threat of having to have every letter in Finnegans Wake engraved into one's armpit.
Zoned by those letters you saw the likeness of three Andes' summits; from one a flame; a tower on another; on the third a crowing cock; while arching over all was a segment of the partitioned zodiac, the signs all marked with their usual cabalistics, and the keystone sun entering the equinoctial point at Libra.
With the terms "daytime" and "nighttime" strictly defined (since 6 to 18 h and since 18 to 6 h by local time, respectively), the supposition was proved for different seasons, equinoctial periods and solstices.
The Snow Man (response) One would need a mind of winter To witness the sunrise dazzling the blossoms Of dogwoods glistening with dew, And one would need an Arctic heart To behold the willows plush with catkins, The redbuds vivid in the luminous Equinoctial dawn, and not to heed The promise in the play of the breeze, In the whisper of the new leaves.
At the Austrian Glaubendorf 2 rondel the equinoctial sun settings could have been seen along the western causeway (Neubauer 2005: 56; Figure 2).