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ba·salt
 basalt
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- pronunciation:
- b
sawlt
- features:
- Word Combinations (noun), Word Explorer
| part of speech: |
noun |
| definition: |
a dense, fine-grained, dark-colored igneous rock created by lava flow that is rich in minerals containing magnesium and iron. The most common igneous rock on the Earth's surface due to its high abundance on the ocean floor.
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| derivation: |
basaltic (adj.) |
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