[--]

Jyutping gaak3 zi3
Pinyin gé zhì

Definitions (Wiktionary)
  1. noun, literary
    style; elegance
  2. noun, dated
    natural science subjects, such as physics and chemistry
    (syn.) 格物

格致 [--]

Jyutping
Pinyin gé zhì

Definitions (CC-CEDICT)
  1. to study the underlying principle to acquire knowledge (abbr. for 格物致知[ge2 wu4 zhi4 zhi1])
  2. word for Western natural sciences during late Qing