blue


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Related to blue: blue air, Blue film

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 classic literature ?
The day was clear and bright; and Blue John anticipated that the skies would be propitious.
Emerging from the chain of Blue Mountains, they descended upon a vast plain, almost a dead level, sixty miles in circumference, Of excellent soil, with fine streams meandering through it in every direction, their courses marked out in the wide landscape by serpentine lines of cotton-wood trees, and willows, which fringed their banks, and afforded sustenance to great numbers of beavers and otters.
The sheets were made of blue cloth, and Dorothy slept soundly in them till morning, with Toto curled up on the blue rug beside her.
The little man took him by the hand, and led him through an underground passage, but he did not forget to take the blue light with him.
The suggestion of this headdress, which gave her what was then called a "Josephine look," was carried out in the cut of the dark blue velvet gown rather theatrically caught up under her bosom by a girdle with a large old-fashioned clasp.
The sulphur coating of that island was gaudy in the extreme--all mingled together in the richest confusion were red, blue, brown, black, yellow, white--I do not know that there was a color, or shade of a color, or combination of colors, unrepresented--and when the sun burst through the morning mists and fired this tinted magnificence, it topped imperial Vesuvius like a jeweled crown!
The schooners moored to the quay are trim and neat, the little town along the bay is white and urbane, and the flamboyants, scarlet against the blue sky, flaunt their colour like a cry of passion.
Even the light blue dress the same," continued the pitiless Nastasia.
Four merry wags were at the Blue Boar Inn; a butcher, a beggar, and two barefoot friars.
Suddenly on the road at the top of the high ground, artillery and troops in blue uniform were seen.
cried Dorothy, who was sorry for the poor man; so she ran back to the buggy and took from her suit-case a pretty blue ribbon.
He wore blue silk stockings, blue knee pants with gold buckles, a blue ruffled waist and a jacket of bright blue braided with gold.