分光 [－－]

Jyutping fan1 gwong1
Pinyin fēn guāng

Definitions (CC-CEDICT)
  1. diffraction (of light)
Definitions (Wiktionary)
  1. verb
    to investigate light beam's property as a function of its wavelength
Definitions (Kaifangcidian)
  1. （沒有對應漢語詞彙）