Korean edit

Etymology edit

Sino-Korean word from 活性.

Pronunciation edit

Romanizations
Revised Romanization?hwalseong
Revised Romanization (translit.)?hwalseong
McCune–Reischauer?hwalssŏng
Yale Romanization?hwalqseng

Noun edit

활성 (hwalseong) (hanja 活性)

  1. activity