sidereal minute
noun Date: circa 1909 the 60th part of a sidereal hour

New Collegiate Dictionary. 2001.

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  • sidereal minute — noun : the sixtieth part of a sidereal hour …   Useful english dictionary

  • sidereal 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 …   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 second — noun Date: circa 1909 the 60th part of a sidereal minute …   New Collegiate Dictionary

  • sidereal second — noun : the sixtieth part of a sidereal minute compare second 2 …   Useful english dictionary

  • Minute — This article is about the unit of time, angle and right ascension. For other uses of the word, see Minute (disambiguation). See also: Minute of arc A minute is a unit of measurement of time or of angle. The minute is a unit of time equal to… …   Wikipedia

  • Sidereal year — The sidereal year is the time taken for the Sun to return to the same position with respect to the stars of the celestial sphere. It is the orbital period of Earth, equal to 365.25636042 mean solar days (31,558,149.540 seconds), that is… …   Wikipedia

  • minute — (′)    a historic unit of proportion equal to 1/60. The Romans lacked our flexible terminology for fractions; they followed Babylonian and Greek practice in visualizing quantities as being divided into 60 parts, so they could express fractions… …   Dictionary of units of measurement

  • Sidereal time — Time Time, n.; pl. {Times}. [OE. time, AS. t[=i]ma, akin to t[=i]d time, and to Icel. t[=i]mi, Dan. time an hour, Sw. timme. [root]58. See {Tide}, n.] 1. Duration, considered independently of any system of measurement or any employment of terms… …   The Collaborative International Dictionary of English

  • minute — minute1 /min it/, n., v., minuted, minuting, adj. n. 1. the sixtieth part (1/60) of an hour; sixty seconds. 2. an indefinitely short space of time: Wait a minute! 3. an exact point in time; instant; moment: Come here this minute! 4. minutes, the… …   Universalium

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