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Definition of blue

What is the definition of "blue"?
  • bluenoun
  • 1. The hue of that portion of the visible spectrum lying between green and indigo, evoked in the human observer by radiant energy with wavelengths of approximately 420 to 490 nanometers; any of a group of colors that may vary in lightness and saturation, whose hue is that of a clear daytime sky; one of the additive or light primaries; one of the psychological primary hues.
    2. A pigment or dye imparting this hue.
    3. Bluing.
    4. An object having this hue.
    5. Dress or clothing of this hue: The ushers wore blue.


Use "blue" in a sentence
  • "Light blue is more specific than ˜blue™ which is more specific than ˜colored.™"

    "The blue stains, the lines for corrections, etc., are erased with the the potassic oxalate (_blue salving, _ as it is termed) whose formula has been given."

    "It is scarcely more previous than the underlying limestones, and why a solution that could penetrate and leach ores from it should be stopped at the upper surface of the blue limestone is not obvious; nor why the plane of junction between the porphyry and the _blue limestone_ should be the special place of deposit of the ore."

Translate blue

How to Say "blue" in:
  • Spanish: blue
  • German: blue
  • French: blue
  • Mandarin: blue
  • Japanese: blue

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