What does 幾何学 mean?
幾何学 is a Japanese noun meaning “geometry” in English. It is written as 幾何学 in kanji, きかがく in hiragana, and kikagaku in romaji. This word is part of JLPT N3 vocabulary.
Example sentence
ギリシャ人たちは幾何学の理論的原形を作った。
The Greeks made theoretical models of geometry.