A cry of joy or satisfaction when one finds or discovers something.
More example sentences
- There's nothing like the eureka moment of discovering something that no one knew before.
- The samples were also chemically analyzed, and - eureka!
- A few minutes later, as his story goes, he glanced at his full bookshelf and eureka!
bingo, I've got it, that's it
early 17th century: from Greek heurēka 'I have found it' (from heuriskein 'find'), said to have been uttered by Archimedes when he hit upon a method of determining the purity of gold. The noun dates from the early 20th century.