blue
noun
the pure color of a clear sky; the primary color between green and violet in the visible spectrum, an effect of light with a wavelength between 450 and 500 nanometers.
is bluing
-
present progressiveof blue (3rd person singular).present progressive
Used to describe an ongoing action or state that is currently taking place in the immediate present.
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
The temperature is favorable; the ebullitions come on without letting us wait long, and the plate is bluing rapidly.
From A Treatise on Etching by Maxime Lalanne
