apparent solar day

the period of time between two successive passages of the sun's center across the same meridian.
[1910-15]

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Universalium. 2010.

Look at other dictionaries:

  • apparent solar day — The period between two successive transits of a particular meridian on the earth by the apparent sun. Because of the elliptical shape of the earth’s orbit, the apparent angular velocity of the sun as seen is not constant, or the apparent sun’s… …   Aviation dictionary

  • apparent solar day — Astron. the period of time between two successive passages of the sun s center across the same meridian. [1910 15] …   Useful english dictionary

  • solar 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

  • Solar day — Solar So lar, a. [L. solaris, fr. sol the sun; akin to As. s[=o]l, Icel. s[=o]l, Goth. sauil, Lith. saule, W. haul,. sul, Skr. svar, perhaps to E. sun:F. solaire. Cf. {Parasol}. {Sun}.] 1. Of or pertaining to the sun; proceeding from the sun; as …   The Collaborative International Dictionary of English

  • solar day — i. The time the sun takes to rotate once on its axis with respect to fixed stars. ii. The time between two successive solar transits of the same meridian (i.e., the time the earth takes to rotate once on its axis with respect to the mean or… …   Aviation dictionary

  • solar day — noun Date: 1751 the interval between transits of the apparent or mean sun across the meridian at any place …   New Collegiate Dictionary

  • Mean solar 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

  • day — /day/, n. 1. the interval of light between two successive nights; the time between sunrise and sunset: Since there was no artificial illumination, all activities had to be carried on during the day. 2. the light of day; daylight: The owl sleeps… …   Universalium

  • Day — /day/, n. 1. Clarence (Shepard) /shep euhrd/, 1874 1935, U.S. author. 2. Dorothy, 1897 1980, U.S. Roman Catholic social activist, journalist, and publisher. * * * I Time required for a celestial body to turn once on its axis; especially, the… …   Universalium

  • Solar time — On a prograde planet like the Earth, the sidereal day is shorter than the solar day. At time 1, the Sun and a certain distant …   Wikipedia

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