| NOUN | substance | spinel | a hard glassy mineral consisting of an oxide of magnesium and aluminum |
|---|
| Meaning | A hard glassy mineral consisting of an oxide of magnesium and aluminum; occurs in various colors that are used as gemstones. | |
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| Narrower | Ceylonite, pleonaste | A dark-colored spinel containing iron |
| spinel ruby, ruby spinel | A spinel used as a gemstone (usually dark red) | |
| Broader | mineral | Solid homogeneous inorganic substances occurring in nature having a definite chemical composition |
| Substances | magnesium, Mg, atomic number 12 | A light silver-white ductile bivalent metallic element |
| Spanish | espinela | |
| Catalan | espinela, espinel·la, espinel | |
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