Definition of eureka in English:

eureka

exclamation

A cry of joy or satisfaction when one finds or discovers something.
‘The answer hit me. ‘Eureka!’ I cried’
[as noun] ‘there weren't many eurekas but science is moving steadily’
[as modifier] ‘the eureka moment for him came when he was hill-walking’
- ‘There's nothing like the eureka moment of discovering something that no one knew before.’
- ‘While trying to put myself into her frame of mind, a sudden and unprovoked eureka moment came over me.’
- ‘I've always thought that people can achieve eureka moments by doodling.’
- ‘So I decided to visit the Imperial War Museum and was invited into the private reading room to research the books and, eureka!’
- ‘Then one day you have a eureka moment: two facts connect themselves in your mind in some way you've never thought of before.’
- ‘His suggestive techniques had begun to dethaw items that were permafrozen in my subconscious; a few such items bubbled up to the surface - eureka moments - much to my astonishment.’
- ‘That's handy because you never know when you'll be struck by a eureka moment.’
- ‘As students began to understand the historical process and utilize it, questions were reflected in their eyes or discomfort in their body language and then, eureka!’
- ‘The novel thus can be alternately vague and eureka!’
- ‘The technology made for some interesting eureka moments.’
- ‘I can immediately apply many of these eureka moments to my practise as a new media lecturer.’
- ‘As he claimed descent from kings, the priesthood, under the threat of being put to the sword, no doubt, confirmed his rights to the throne of Persia, and eureka!’
- ‘The samples were also chemically analyzed, and - eureka!’
- ‘It looks like the place to nail down a place in the social network where resource sharing and eureka moments follow.’
- ‘Well, I had what they call a eureka moment at that time.’
- ‘How many of you have read a blog that: crystallises lots of thoughts and questions and uneases that have been whirling round in your head, makes you think eureka!’
- ‘I don't know that there will have been a eureka moment for string theory in the same way, so that there will be a specific time, but it could well be that some of the ideas of string theory.’
- ‘A few minutes later, as his story goes, he glanced at his full bookshelf and eureka!’
- ‘‘I think the eureka moment is a bit of a myth,’ he said.’
- ‘Robert discovers what happens when we have those eureka moments of original thought - and how to have more of them.’

noun

trademark

[mass noun] An alloy of copper and nickel used for electrical filaments and resistance wire.

Origin

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.