Korean edit

Etymology edit

Sino-Korean word from 光學 (optics)

Pronunciation edit

Romanizations
Revised Romanization?gwanghak
Revised Romanization (translit.)?gwanghag
McCune–Reischauer?kwanghak
Yale Romanization?kwanghak

Noun edit

광학 (gwanghak) (hanja 光學)

  1. optics (physics of light and vision)