isopyre
[ ahy-suh-pahyuh r ]
/ ˈaɪ səˌpaɪər /
noun Mineralogy.
an impure variety of opal, containing alumina, lime, and iron sesquioxide.
Origin of isopyre
1820–30;
iso- + Greek
pŷr fire
Words nearby isopyre
isopter,
isopteran,
isopterous,
isopycnal,
isopycnic,
isopyre,
isorhythm,
isorhythmic,
isorrhea,
isosbestic point,
isosceles