- (n.) A rare element of the chromium group found in certain minerals, as wolfram and scheelite, and isolated as a heavy steel-gray metal which is very hard and infusible. It has both acid and basic properties. When alloyed in small quantities with steel, it greatly increases its hardness. Symbol W (Wolframium). Atomic weight, 183.6. Specific gravity, 18.
- (n.) Scheelite or calcium tungstate.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). tungsten. Retrieved September 23, 2026, from http://smartdefine.org/tungsten/definitions/2075467 |
| Chicago | Webster's. 2011. "tungsten" http://smartdefine.org/tungsten/definitions/2075467 (accessed September 23, 2026). |
| Harvard | Webster's 2011, tungsten, Smart Define, viewed 23 September, 2026, <http://smartdefine.org/tungsten/definitions/2075467>. |
| MLA | Webster's. "tungsten" 28 May 2011. Web. 23 September 2026. <http://smartdefine.org/tungsten/definitions/2075467> |