from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A greenish blue, one of the subtractive primary colors.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A colour between blue and green in the visible spectrum; the complementary colour of red; the colour obtained by subtracting red from white light.
- adj. Of the colour cyan.
from The Century Dictionary and Cyclopedia
- n. Same as cyanogen.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a primary subtractive color for light; has a blue-green color
- adj. of a bluish shade of green
Greek kuanos, dark blue.(American Heritage® Dictionary of the English Language, Fourth Edition)
Ancient Greek κύανος (kyanos, "dark blue, dark blue enamel, lapis lazuli"), probably a non Indo-European word, but perhaps akin to, or from, Hittite *kuwanna(n)- "copper blue." (Wiktionary)