feldspar
English Thesaurus
1. any of a group of hard crystalline minerals that consist of aluminum silicates of potassium or sodium or calcium or barium (noun.substance)
| hypernym | : | spar, |
| definition | : | any of various nonmetallic minerals (calcite or feldspar) that are light in color and transparent or translucent and cleavable (noun.substance) |
| hyponym | : | orthoclase, |
| definition | : | a white or colored monoclinic feldspar (noun.substance) |
| hyponym | : | oligoclase, plagioclase, |
| definition | : | any of a series of triclinic feldspars that form rocks (noun.substance) |
| hyponym | : | moonstone, |
| definition | : | a transparent or translucent gemstone with a pearly luster; some specimens are orthoclase feldspar and others are plagioclase feldspar (noun.substance) |
| substance holonym | : | atomic number 14, si, silicon, |
| definition | : | a tetravalent nonmetallic element; next to oxygen it is the most abundant element in the earth's crust; occurs in clay and feldspar and granite and quartz and sand; used as a semiconductor in transistors (noun.substance) |
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