- eu|re|ka «yu REE kuh», interjection, adjective, noun.–adj.marked by a flash of insight, understanding or inspiration: »
“a eureka experience; But then Pope had a Eureka moment, one that shaped his editorial policy for years to come.” (Atlantic).–n.1. the reputed exclamation (“I have found it”) uttered by Archimedes when he discovered the means of determining (by specific gravity) the proportion of base metal in King Hiero's golden crown.2. an exclamation of triumph at any discovery.3. the motto of California.╂[< Greek hēúrēka, 1st singular perfect active indicative of heurískein find]
Useful english dictionary. 2012.