Korean

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Etymology

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Sino-Korean word from 不變

Pronunciation

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Romanizations
Revised Romanization?bulbyeon
Revised Romanization (translit.)?bulbyeon
McCune–Reischauer?pulbyŏn
Yale Romanization?pul.pyen

Noun

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불변 (bulbyeon) (hanja 不變)

  1. unchangeability; invariability; immutability; constancy; permanence