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Use "irridescent" in a sentence
"They look somewhat like large swimming pools, but they are laced with boron, which gives them an irridescent blue hue."
"I was mostly referring to a black irridescent color like raven feathers."
"It's beautiful -- the base, designed by Dave Howell, is the most gorgeous I have seen (under that rocket on the granite asteroid is a blast pit filled with irridescent maple leaves) -- and of course, I mean, it's a freaking Hugo."