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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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Origin of isopyre
1820–30; iso- + Greek pŷr fire
Words nearby isopyre
isoproterenol, isopteran, isopterous, isopycnal, isopycnic, isopyre, ISO rating, iso-reel, isorhythm, isorhythmic, isosceles
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023