| Term | Explanation | Editorials |
| NATIVE METAL | Native Metal A metal occurring in nature in pure form, uncombined with any other elements. | Search Editorials |
| NET SMELTER RETURN | Net Smelter Return The gross value of metal in an ore or concentrate, minus transportation, smelting and refining charges. | Search Editorials |
| NUGGET | Nugget A large mass of precious metal, found free in nature. | Search Editorials |