| Main Entry: | |
| Part of Speech: | noun |
| Definition: | mineral |
| Synonyms: | metal, metalliferous earth, native mineral, parent rock, unrefined earth, unrefined rock |
| Main Entry: | metal |
| Part of Speech: | noun |
| Definition: | lustrous chemical element |
| Synonyms: | alloy, casting, deposit, foil, hardware, ingot, leaf, load, mail, mineral, native rock, ore, plate, solder, vein |
| Main Entry: | rock |
| Part of Speech: | noun |
| Definition: | stone |
| Synonyms: | bedrock, boulder, cobblestone, crag, crust, earth, gravel, lava, lodge, mass, metal, mineral, ore, pebble, promontory, quarry, reef, rubble, shelf, slab, slag |
| Main Entry: | stone |
| Part of Speech: | noun |
| Definition: | hard piece of earth's surface |
| Synonyms: | boulder, crag, crystal, gem, grain, gravel, jewel, masonry, metal, mineral, ore, pebble, rock, stonework |