A visual sensation produced in the brain when the eye views various wavelengths or
frequencies of light.
Short for → color index.
A property of → quarks required to distinguish the three
basic quarks of which → baryons are composed. In all
→ hadrons, the quarks (red, green, blue) are combined in such
a way as to yield a colorless overall particle.
Etymology (EN): From M.E. colour, from O.Fr. colur, from L. color
“color, hue,” from Old L. colos “a covering,” from PIE *kel-os-
“that which covers,” from *kel- “to cover, conceal.”
Etymology (PE): Rang, from Mid.Pers. rang “color” (abrang “splendor”),
related to Mod.Pers. razidan “to color,” raxš “a mixture of
red and white,” also the name of Rostam’s horse (loan from Sogd.?),
awrang “glory, beauty, throne;”
Kurd. raš “black;” cf. Skt. raj- “to color, to become red;”
Gk. rezein “to color;” PIE base *(s)reg- “to color, paint”
(Cheung 2007).
