blue

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blue

1. any of a group of colours, such as that of a clear unclouded sky, that have wavelengths in the range 490--445 nanometres. Blue is the complementary colour of yellow and with red and green forms a set of primary colours
2. 
a. a sportsman who represents or has represented Oxford or Cambridge University and has the right to wear the university colour (dark blue for Oxford, light blue for Cambridge)
b. the honour of so representing one's university
3. Brit an informal name for Tory
4. any of numerous small blue-winged butterflies of the genera Lampides, Polyommatus, etc.: family Lycaenidae
5. Archery a blue ring on a target, between the red and the black, scoring five points
6. a blue ball in snooker, etc

blue

[blü]
(optics)
The hue evoked in an average observer by monochromatic radiation having a wavelength in the approximate range from 455 to 492 nanometers; however, the same sensation can be produced in a variety of other ways.

blue

in American flag, symbolizes justice. [Color Symbolism: Leach, 242; Jobes, 356]
See: Justice

Blue

A language proposed by Softech to meet the DoD Ironman requirements which led to Ada. ["On the BLUE Language Submitted to the DoD", E.W. Dijkstra, SIGPLAN Notices 13(10):10-15 (Oct 1978)].
References in periodicals archive ?
BLU-RAY just got bluer with the arrival of The SmurfsO.
Each step taken, each phrase, every snapped string, fallen arch & kiss on a forgotten street in Verona or Paris transported us back--back to hidden paths, abandoned eaves & haylofts where a half century of starlings roosted, back to when we were lost in our dream-headed, separate eternities, searching till all the pieces fit together, till my sky is no bluer than your sky.
bluer than your ocean blue as the vacancy sign you never meant
Australia's rising liquefied natural gas (LNG) exports may make for bluer skies over Chinese power plants, but back home LNG producers will pump out more carbon emissions than the coal sector.
The SEL (spectrally enhanced lighting) concept is not based on the proposition that " the eye is more sensitive to bluer wavelengths," or that SEL sources are "more efficacious in the bluer ranges," rather that SEL is an application concerned with lighting at typical interior light levels where the standard definition of peak wavelength for the eye's central field sensitivity remains unchanged from the canonical photopic peak at 555nm.
I've become truer and truer and bluer and bluer ever since.
Hair glows blue-white and urine glows yellow-white when dry, bluer when fresh.
The other house features variations on some interesting and almost shocking greens; some are sharp and very acid, and others are a little bluer, softer and more watercolor in look.
Oceans are bluer than continents, which appear red or orange because land is most reflective at red and near-infrared wavelengths.
With a perfect view of the blue sky, even bluer lake and Joe's bright white interior, it's a perfect spot for lunch when you're feeling a little gloomy.
But the whisper in the shells was of bluer oceans beyond the horizon, salt-scented and transparent, alive with strange creatures.
It's a myth perperpetuated by "the sky was bluer when I was younger" brigade who cannot even find it in their hearts to congratulate the youth of today who are excelling at school and exceeding all previous generations in academic achievement.