ki-hôo-ha̍k幾何學

geometry

geometry (branch of mathematics dealing with spatial relationships)

English Wiktionary, “幾何學” (CC BY-SA 4.0) — https://en.wiktionary.org/wiki/%E5%B9%BE%E4%BD%95%E5%AD%B8 · confidence: Medium (Wiktionary, Hokkien)