Equinoctial
21equinoctial line — noun the great circle on the celestial sphere midway between the celestial poles • Syn: ↑celestial equator, ↑equinoctial circle, ↑equinoctial • Derivationally related forms: ↑equinoctial (for: ↑equinoctial) …
22equinoctial colure — noun : the circle of 0 and 12 hours right ascension passing through the equinoctial points of the celestial sphere * * * equinoctial colure, the great circle passing through the poles and equinoctial points …
23equinoctial line — Equator E*qua tor, n. [L. aequator one who equalizes: cf. F. [ e]quateur equator. See {Equate}.] 1. (Geog.) The imaginary great circle on the earth s surface, everywhere equally distant from the two poles, and dividing the earth s surface into… …
24equinoctial day — The period between two successive transits of a particular meridian on the earth by the first point of the Aries or the successive transit of vernal equinox. Since the first point of Aries is not fixed in space, and it precesses along the… …
25equinoctial storm — a storm of violent winds and rain occurring at or near the time of an equinox and popularly, but erroneously, believed to be physically associated with it. Also called equinoctial, line gale, line storm. * * * …
26equinoctial line — /ˌikwənɒkʃəl ˈlaɪn/ (say .eekwuhnokshuhl luyn) noun the celestial equator. Also, equinoctial circle …
27equinoctial storm — noun a violent rainstorm near the time of an equinox • Syn: ↑line storm • Hypernyms: ↑rainstorm * * * a storm of violent winds and rain occurring at or near the time of an equinox and popularly, but erroneously, believed to be physically… …
28equinoctial — 1. adjective a) of, or relating to an equinox b) of, or relating to the celestial or terrestrial equator 2. noun a) the …
29equinoctial — e·qui·noc·tial || ‚iËkwɪ nÉ’kʃl n. violent rainstorm at or near the time of the equinox; celestial equator, large circle surrounding the celestial sphere equidistant from the celestial poles adj. pertaining to a day characterized by equal …
30equinoctial — 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 …