sidereal revolution
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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 motion of… … The Collaborative International Dictionary of English
Sidereal 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… … The Collaborative International Dictionary of English
sidereal period — noun or sidereal revolution : the time in which a planet or satellite completes one revolution round its primary as referred to a star seen from the primary … Useful english dictionary
Revolution — Rev o*lu tion, n. [F. r[ e]volution, L. revolutio. See {Revolve}.] 1. The act of revolving, or turning round on an axis or a center; the motion of a body round a fixed point or line; rotation; as, the revolution of a wheel, of a top, of the earth … The Collaborative International Dictionary of English
sidereal month — n. the time required for the moon to complete one revolution around the earth with respect to a fixed star: its average value is 27.32 days of mean solar time … English World dictionary
sidereal day — a unit of time used in astronomy, equal to the period of time in which the earth makes one rotation relative to the stars. If we could view the earth from outside the Solar System, we would see that it actually completes 366.242 rotations… … Dictionary of units of measurement
sidereal period — Time required for a celestial body in the solar system to complete one revolution with respect to the fixed stars (as observed from a fixed point outside the system). A planet s sidereal period can be calculated from its synodic period. The… … Universalium
Sidereal day — Day Day (d[=a]), n. [OE. day, dai, dei, AS. d[ae]g; akin to OS., D., Dan., & Sw. dag, G. tag, Icel. dagr, Goth. dags; cf. Skr. dah (for dhagh ?) to burn. [root]69. Cf. {Dawn}.] 1. The time of light, or interval between one night and the next; the … The Collaborative International Dictionary of English
sidereal day — Day Day (d[=a]), n. [OE. day, dai, dei, AS. d[ae]g; akin to OS., D., Dan., & Sw. dag, G. tag, Icel. dagr, Goth. dags; cf. Skr. dah (for dhagh ?) to burn. [root]69. Cf. {Dawn}.] 1. The time of light, or interval between one night and the next; the … The Collaborative International Dictionary of English
sidereal — 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… … The Collaborative International Dictionary of English
