Nirvana
Nirvana is the English transliteration of a Sanskrit term meaning extinguishment or "blowing out", as of a candle. Nirvana is a frequently used term in Buddhism - very roughly it is the extinction of dukkha or dissatisfaction, or the state of being in which all ego-centered consciousness is extinguished.
In the Pali language Buddhist scriptures, the Pali form of the word, translated as nibbana, is used. In Chinese Buddhist scriptures, the word is transliterated as Nie4 Pan2 (涅槃).
Nirvana is also the name of a well-known rock band that featured the late Kurt Cobain, an earlier band of the 1960s, and a science fiction movie.