- (n.) A vessel or melting pot, composed of some very refractory substance, as clay, graphite, platinum, and used for melting and calcining substances which require a strong degree of heat, as metals, ores, etc.
- (n.) A test of the most decisive kind; a severe trial; as, the crucible of affliction.
- (n.) A hollow place at the bottom of a furnace, to receive the melted metal.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). Crucible. Retrieved October 2, 2026, from http://smartdefine.org/crucible/definitions/1993306 |
| Chicago | Webster's. 2011. "Crucible" http://smartdefine.org/crucible/definitions/1993306 (accessed October 2, 2026). |
| Harvard | Webster's 2011, Crucible, Smart Define, viewed 2 October, 2026, <http://smartdefine.org/crucible/definitions/1993306>. |
| MLA | Webster's. "Crucible" 27 May 2011. Web. 2 October 2026. <http://smartdefine.org/crucible/definitions/1993306> |