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isopyre
[ ahy-suh-pahyuhr ]
/ ˈaɪ səˌpaɪər /
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noun Mineralogy.
an impure variety of opal, containing alumina, lime, and iron sesquioxide.
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ARE YOU A TRUE BLUE CHAMPION OF THESE "BLUE" SYNONYMS?
We could talk until we're blue in the face about this quiz on words for the color "blue," but we think you should take the quiz and find out if you're a whiz at these colorful terms.
Question 1 of 8
Which of the following words describes “sky blue”?
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Origin of isopyre
1820–30; iso- + Greek pŷr fire
Words nearby isopyre
isopteran, isopterous, Isoptin, isopycnal, isopycnic, isopyre, ISO rating, Isordil, iso-reel, isorhythm, isorhythmic
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021