sidereal
11sidereal — Month Month (m[u^]nth), n. [OE. month, moneth, AS. m[=o]n[eth], m[=o]na[eth]; akin to m[=o]na moon, and to D. maand month, G. monat, OHG. m[=a]n[=o]d, Icel. m[=a]nu[eth]r, m[=a]na[eth]r, Goth. m[=e]n[=o][thorn]s. [root]272. See {Moon}.] One of… …
12sidereal — sidereally, adv. /suy dear ee euhl/, adj. Astron. 1. determined by or from the stars: sidereal time. 2. of or pertaining to the stars. [1625 35; < L sidere(us) of, belonging to the stars (sider , s. of sidus star, constellation + eus adj. suffix) …
13sidereal — si|de|re|al [ saı dıriəl ] adjective TECHNICAL relating to the stars, or measured by the movement of the stars in the sky: sidereal time …
14sidereal — adjective technical related to or calculated using the stars: the sidereal day …
15sidereal — UK [saɪˈdɪərɪəl] / US [saɪˈdɪrɪəl] adjective astronomy relating to the stars, or measured by the movement of the stars in the sky sidereal time …
16sidereal — /saɪˈdɪəriəl / (say suy dearreeuhl) adjective 1. determined by the stars: sidereal time. 2. of or relating to the stars. {Latin sīdereus relating to the stars + al1} …
17Sidereal time — is a measure of the position of the Earth in its rotation around its axis, or time measured by the apparent diurnal motion of the vernal equinox, which is very close to, but not identical to, the motion of stars. They differ by the precession of… …
18Sidereal astrology — is the system of astrology used by some Western and all Jyotish astrologers who base their interpretation around the use of the sidereal zodiac. Its primary feature is that the signs of the zodiac align to the sky constellations of the same name …
19Sidereal clock — Sidereal Si*de re*al, a. [L. sidereus, from sidus, sideris, a constellation, a star. Cf. {Sideral}, {Consider}, {Desire}.] 1. Relating to the stars; starry; astral; as, sidereal astronomy. [1913 Webster] 2. (Astron.) Measuring by the apparent… …
20sidereal time — n. 1. time measured by the sidereal day: it is divided into the sidereal hour (1/ 24 of a sidereal day), the sidereal minute (1/ 60 of a sidereal hour), and the sidereal second (1/ 60 of a sidereal minute) 2. the hour angle of the vernal equinox …
