Of+the+equinoctial
31EQUINOCTIAL POINTS — are the two points at which the celestial equator intersects the ECLIPTIC (q.v.), so called because the days and nights are of equal duration when the sun is at these points …
32equinoctial — 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 …
33obliquity of the ecliptic — The angle between the plane of the equinoctial and that of the ecliptic. Its value is approximately 231/2° …
34equinoctial — e•qui•noc•tial [[t]ˌi kwəˈnɒk ʃəl, ˌɛk wə [/t]] adj. 1) astron. pertaining to an equinox or the equinoxes, or to the equality of day and night 2) astron. pertaining to the celestial equator 3) astron. occurring at or about the time of an equinox… …
35equinoctial point — /ˌikwənɒkʃəl ˈpɔɪnt/ (say .eekwuhnokshuhl poynt) noun either of the two points in which the celestial equator and the ecliptic intersect each other, reached by the sun s centre at the equinoxes …
36equinoctial rains — rainy seasons that occur, in numerous regions near the equator, near or soon after the times of the equinoxes. * * * …
37equinoctial point — noun (astronomy) either of the two celestial points at which the celestial equator intersects the ecliptic • Syn: ↑equinox • Topics: ↑astronomy, ↑uranology • Hypernyms: ↑celestial point …
38equinoctial year — noun the time for the earth to make one revolution around the sun, measured between two vernal equinoxes • Syn: ↑solar year, ↑tropical year, ↑astronomical year • Hypernyms: ↑year …
39equinoctial rains — rainy seasons that occur, in numerous regions near the equator, near or soon after the times of the equinoxes …
40equinoctial point — One of two intersections of the ecliptic and celestial equators, occupied by the sun when its declination is 0°. Also called an equinox …
