The exclamation attributed to Archimedes, who is said to have cried out "Eureka! eureka!" (I have found it! I have found it!), upon suddenly discovering a method of finding out how much the gold of King Hiero's crown had been alloyed. Hence, an expression of triumph concerning a discovery.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). eureka. Retrieved September 22, 2026, from http://smartdefine.org/eureka/definitions/2005213 |
| Chicago | Webster's. 2011. "eureka" http://smartdefine.org/eureka/definitions/2005213 (accessed September 22, 2026). |
| Harvard | Webster's 2011, eureka, Smart Define, viewed 22 September, 2026, <http://smartdefine.org/eureka/definitions/2005213>. |
| MLA | Webster's. "eureka" 27 May 2011. Web. 22 September 2026. <http://smartdefine.org/eureka/definitions/2005213> |