diurnal

  • 41diurnal arc — noun : the portion of the diurnal circle of a celestial body that is above the observer s horizon the diurnal arc of the sun is its apparent path from sunrise to sunset * * * Astron. the portion of the diurnal circle that is above the horizon at… …

    Useful english dictionary

  • 42Diurnal acceleration of the fixed stars — Acceleration Ac*cel er*a tion, n. [L. acceleratio: cf. F. acc[ e]l[ e]ration.] The act of accelerating, or the state of being accelerated; increase of motion or action; as, a falling body moves toward the earth with an acceleration of velocity;… …

    The Collaborative International Dictionary of English

  • 43Diurnal circle — Circle Cir cle (s[ e]r k l), n. [OE. cercle, F. cercle, fr. L. circulus (Whence also AS. circul), dim. of circus circle, akin to Gr. kri kos, ki rkos, circle, ring. Cf. {Circus}, {Circum }.] [1913 Webster] 1. A plane figure, bounded by a single… …

    The Collaborative International Dictionary of English

  • 44Diurnal phase shift — In telecommunication, diurnal phase shift is the phase shift of electromagnetic signals associated with daily changes in the ionosphere. The major changes usually occur during the period of time when sunrise or sunset is present at critical… …

    Wikipedia

  • 45Diurnal sign — In astrology, a diurnal sign is a sign in the zodiac whose natural positions are on the southern hemisphere of the horoscope. The diurnal signs are therefore: Libra Scorpio Sagittarius Capricorn Aquarius Pisces Note: The hemispheres are opposite… …

    Wikipedia

  • 46Diurnal phase shift — Ausbreitung der Raumwelle an der Tag Nacht Grenze Der Diurnal phase shift (ungebräuchliche deutsche Übersetzung: tageszyklische Phasenverschiebung) ist in der Telekommunikation ein Phänomen, das bei elektromagnetischen Signalen in einem 24… …

    Deutsch Wikipedia

  • 47diurnal circle — noun : the apparent circle or parallel of declination described by a celestial body in consequence of the earth s rotation * * * Astron. the apparent circle described by a heavenly body as a result of one rotation by the earth. * * * diurnal… …

    Useful english dictionary

  • 48diurnal aberration — Aberration Ab er*ra tion, n. [L. aberratio: cf. F. aberration. See {Aberrate}.] 1. The act of wandering; deviation, especially from truth or moral rectitude, from the natural state, or from a type. The aberration of youth. Hall. Aberrations from… …

    The Collaborative International Dictionary of English

  • 49Diurnal parallax — Parallax Par al*lax, n. [Gr. ? alternation, the mutual inclination of two lines forming an angle, fr. ? to change a little, go aside, deviate; para beside, beyond + ? to change: cf. F. parallaxe. Cf. {Parallel}.] 1. The apparent displacement, or… …

    The Collaborative International Dictionary of English

  • 50Diurnal arc — In astrology, a diurnal arc is the time, as expressed in right ascension, it takes a planet, point, or degree to move from its rising point to its setting point. This takes place in many celestial bodies such as the sun and moon. Categories:… …

    Wikipedia