名詞 eureka:

1. an alloy of copper and nickel with high electrical resistance and a low temperature coefficient; used as resistance wire
   同義詞：constantan
2. a town in northwest California on an arm of the Pacific Ocean

eu.re.ka

interj.（感嘆詞）
Used to express triumph upon finding or discovering something.
我發(fā)現(xiàn)了！：用來表達(dá)發(fā)現(xiàn)或搞清某物時(shí)的勝利心情

來源：
Greek heurôka [I have found (it) (supposedly exclaimed by Archimedes upon discovering how to measure the volume of an irregular solid and thereby determine the purity of a gold object)] [first person perfect of] heuriskein [to find]
希臘語 heurôka [.我找到了！.，.我搞清楚了！.（源自希臘數(shù)學(xué)家和發(fā)明家阿基米德發(fā)現(xiàn)測量不規(guī)則固體體積的方法，并以此發(fā)現(xiàn)測定金子純度的方法時(shí)的驚呼）] [] heuriskein的第一人稱完成時(shí) [找到]