blueshift

blue•shift
[[t]ˈbluˌʃɪft[/t]] n.
astron. a shift toward shorter wavelengths of the spectral lines of a celestial object, caused by the motion of the object toward the observer
Etymology: 1950–55

From formal English to slang. 2014.

Look at other dictionaries:

  • blueshift — [blo͞o′shift΄] n. Astron. the shift of spectral lines toward the shorter wavelengths and higher frequencies at the blue end of the spectrum of a luminous celestial body, indicating that the light source is moving rapidly toward the observer: cf.… …   English World dictionary

  • Blueshift — Décalage vers le bleu Le décalage vers le bleu ou blueshift est l’effet contraire du redshift, se produisant lorsque la distance séparant une source lumineuse de l’observateur devient de plus en plus faible. La fréquence du rayonnement émis par… …   Wikipédia en Français

  • blueshift — noun Date: 1951 the displacement of the spectrum of an approaching celestial body toward shorter wavelengths • blueshifted adjective …   New Collegiate Dictionary

  • blueshift — /blooh shift /, n. Astron. a shift toward shorter wavelengths of the spectral lines of a celestial object, caused by the motion of the object toward the observer. Also, blue shift. [1950 55; BLUE + SHIFT] * * * …   Universalium

  • blueshift — noun A change in the wavelength of light, in which the wavelength is shorter than when it was emitted at the source. Ant: redshift …   Wiktionary

  • blueshift — n. decrease in the length of a radiation wave discharged by an approaching celestial body resulting from the Doppler effect …   English contemporary dictionary

  • blueshift — …   Useful english dictionary

  • Half-Life: Blueshift — Half Life: Blue Shift Half Life Blue Shift Éditeur Sierra On Line Développeur Gearbox …   Wikipédia en Français

  • Redshift — This article is about the astronomical phenomenon. For other uses, see Redshift (disambiguation). Physical cosmology …   Wikipedia

  • Decalage vers le bleu — Décalage vers le bleu Le décalage vers le bleu ou blueshift est l’effet contraire du redshift, se produisant lorsque la distance séparant une source lumineuse de l’observateur devient de plus en plus faible. La fréquence du rayonnement émis par… …   Wikipédia en Français

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