mean solar day
noun Date: 1816 the interval between successive transits of a given meridian by the mean sun

New Collegiate Dictionary. 2001.

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  • 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

  • mean solar day — n. DAY (n. 2) …   English World dictionary

  • mean solar day — The period between two successive transits of a particular meridian on the earth by the astronomical mean sun. The length of a mean solar day is 24 h 3 min 56.555 s. It is divided arbitrarily into twenty four units known as mean solar hours. Also …   Aviation dictionary

  • mean solar day — noun time for Earth to make a complete rotation on its axis two days later they left they put on two performances every day there are 30,000 passengers per day • Syn: ↑day, ↑twenty four hours, ↑twenty four hour period, ↑24 hour interval, ↑ …   Useful english dictionary

  • mean solar day — noun the average length of a solar day, used for practical timekeeping …   Wiktionary

  • mean solar day — mean′ so′lar day′ n. astron. day 3), a) …   From formal English to slang

  • mean solar day — day (def. 3a). * * * …   Universalium

  • mean solar day — noun See day (def. 3b) …   Australian 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

  • mean solar second — mean so·lar sec·ond .sō lər sek ənd, ənt n an mks unit of time equal to 1/86,400 of a mean solar day …   Medical dictionary

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