Definition of "yellow" []

• The hue of that portion of the visible spectrum lying between orange and green, evoked in the human observer by radiant energy with wavelengths of approximately 570 to 590 nanometers; any of a group of colors of a hue resembling that of ripe lemons and varying in lightness and saturation; one of the subtractive primaries; one of the psychological primary hues. (noun)
• A pigment or dye having this hue. (noun)
• Something that has this hue. (noun)
• Chiefly Southern U.S. The yolk of an egg. (noun)
• Western U.S. Gold. Used formerly by prospectors. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Although pale yellow is a highly determinate color predicate relative to ˜yellow™, it is far from being maximally determinate."
• "The silk obtained the first day was of a deep yellow; to my great astonishment, the second reeling from the same spider gave silk of a brilliant silver-white color; while on the third occasion, as if by magic, the color had changed again, and I got only _yellow_ silk."
• "The hypothesis of individual peculiarity, adopted the previous year to explain why some spiders gave yellow, and others white silk, was now untenable; and, remembering that, beside these two positive colors there was also (and indeed more commonly) a _light yellow_, as if a combination of the other two, I saw that the real solution of the mystery must lie in the spinners themselves."