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equinoctial
e·qui·noc·tial E0190200 (ē′kwə-nŏk′shəl, ĕk′wə-)adj.1. Relating to an equinox.2. Relating to the celestial equator.n.1. A violent storm of wind and rain occurring at or near the time of the equinox.2. See celestial equator.
[Middle English equinoxial, from Old French, from Latin aequinoctiālis, from aequinoctium, equinox; see equinox.]equinoctial (ˌiːkwɪˈnɒkʃəl) adj1. (Astronomy) relating to or occurring at either or both equinoxes2. (Botany) (of a plant) having flowers that open and close at specific regular times3. (Astronomy) astronomy of or relating to the celestial equatorn4. (Physical Geography) a storm or gale at or near an equinox5. (Astronomy) another name for celestial equator[C14: from Latin aequinoctiālis concerning the equinox]e•qui•noc•tial (ˌi kwəˈnɒk ʃəl, ˌɛk wə-)
adj. 1. pertaining to an equinox or the equinoxes, or to the equality of day and night. 2. pertaining to the celestial equator. 3. occurring at or about the time of an equinox. n. 4. celestial equator. 5. a violent rainstorm occurring at about the time of an equinox. [1350–1400; Middle English < Latin] equinoctiala severe storm at sea, usually occurring near the equinox and mistakenly thought to be the result of the sun crossing the equatorial line.See also: SeaThesaurus| Noun | 1. | equinoctial - the great circle on the celestial sphere midway between the celestial polescelestial equator, equinoctial circle, equinoctial linegreat circle - a circular line on the surface of a sphere formed by intersecting it with a plane passing through the center | | Adj. | 1. | equinoctial - relating to the vicinity of the equator | | 2. | equinoctial - relating to an equinox (when the lengths of night and day are equal) |
Translationsequinoctial
equinoctial1. 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 equatorequinoctial[‚ē·kwə′näk·shəl] (astronomy) celestial equator equinoctial 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.equinoctial
Related to equinoctial: equinoctial line, equinox, equinoctial system of coordinates, Equinoctial PointsSynonyms for equinoctialnoun the great circle on the celestial sphere midway between the celestial polesSynonyms- celestial equator
- equinoctial circle
- equinoctial line
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