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- FELDSPARAny 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.
- GRABENAn elongated block of the Earth's crust, bounded by faults, that has dropped relative to the surrounding area.
- MACROPHYTEAny normal macroscopic plant, especially an aquatic one.
- NEOPLASMAn abnormal new growth of disorganized tissue in animals or plants.