💡 Words with a Similar Meaning to "Foid"
Found via reverse dictionary — words that share a conceptual meaning.
| Word | Definition |
|---|---|
| feldspathoidnoun | (mineralogy) Any of a small group of igneous, plutonic, and volcanic minerals formed in magma that did not contain enough silica to satisfy all the chemical bonds. Feldspathoids are silica-poor variants of the feldspar group. |
| felspathoidnoun | Alternative form of feldspathoid. [(mineralogy) Any of a small group of igneous, plutonic, and volcanic minerals formed in magma that did not contain enough silica to satisfy all the chemical bonds. Feldspathoids are silica-poor variants of the feldspar group.] |
| foiditenoun | (geology) The volcanic equivalent of foidolite. The light-coloured minerals are mostly feldspathoids. |
| foidolitenoun | (geology) A course-grained intrusive igneous rock where most light-coloured minerals are feldspathoids. |
| feldspathnoun | Alternative form of feldspar. [(mineralogy) Any of a large group of rock-forming aluminosilicate minerals containing potassium, sodium, or calcium that, together, make up about 60% of the Earth's outer crust.] |
| foyalitenoun | (mineralogy) A fine-grained Plutonic syenite made up of orthoclase, nepheline, hornblende, and accessory mica, sodalite, zircon, noselite, and pyroxene. |
| foyaitenoun | (mineralogy) A K-feldspar-nepheline syenite mineral containing a proportion of ferromagnesian minerals, usually pyroxene, hornblende, and biotite. |
| feldsparnoun | (mineralogy) Any of a large group of rock-forming aluminosilicate minerals containing potassium, sodium, or calcium that, together, make up about 60% of the Earth's outer crust. |
| nephelinenoun | (mineralogy) A feldspathoid mineral of silica-poor igneous, plutonic and volcanic rocks. Chemically, nepheline is a plagioclase feldspar with insufficient silica to satisfy the chemical bonds. Because of the unfilled bonds, nepheline weathers rapidly and can only be seen as inclusions in freshly broken rock. |
| felsitenoun | (mineralogy) A fine grained volcanic extrusive rock, generally light in color, composed of felsic minerals. |
| plagioclasenoun | (mineralogy) Any of a group of aluminum silicate feldspathic minerals ranging in their ratio of calcium to sodium. |
| felsparnoun | Alternative spelling of feldspar. [(mineralogy) Any of a large group of rock-forming aluminosilicate minerals containing potassium, sodium, or calcium that, together, make up about 60% of the Earth's outer crust.] |
| microclinenoun | (mineralogy) A common feldspar of igneous, plutonic, and metamorphic rocks, made of potassium aluminum silicate, with the chemical formula KAlSi₃O₈. |
| leucitenoun | (mineralogy) A mineral of silica-poor igneous, plutonic and volcanic rocks. Chemically, leucite is a potassium feldspar with insufficient silica to satisfy the chemical bonds. Because of the unfilled bonds, leucite weathers rapidly and can only be seen as inclusions in freshly broken rock. |
| plagnoun | (mineralogy, informal) plagioclase feldspar |
| chesterlitenoun | (mineralogy) A variety of microcline from Chester County, Pennsylvania. |
| porphyroidnoun | (mineralogy) A crystalline and schistose rock containing porphyritic crystals of feldspar. |
| fioritenoun | (mineralogy) A variety of opal occurring in the cavities of volcanic tuff, having a pearly lustre and forming botryoidal masses. |
| fluorohectoritenoun | (mineralogy) A clay mineral that is a mixed silicate / oxide / fluoride of lithium and magnesium. |
| fluorophlogopitenoun | (mineralogy) A fluorine-rich variety of phlogopite. |
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