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Japanese vocabulary · Beginner
How do you say "sphere" in Japanese?
球面
kyuumen
In Japanese, "sphere" is 球面 (kyuumen).
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Pronunciation
KYOO-mehn, two syllables meaning 'ball surface' — the 'kyu' glide at the start is quick, then a firm nasal 'men' finishes.
Writing and usage
球面 is written using kanji. It's a noun, and this word is also taught inside the Noun Town language learning game, where it appears in interactive lessons alongside hundreds of other everyday words.
Example sentence
球体は完全な球体です。
kyuutai ha kanzen na kyuutai desu.
The ball is a perfect sphere.
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How to remember 球面
Kyuumen ends in 'men' (surface) — a sphere is described by its curved surface, the outside shell of a ball.
Related words
- circle 円 en
- triangle 三角形 sankakukei
- rectangle 長方形 chouhoukei
- diamond ダイヤモンド daiyamondo
- oval 楕円形 daenkei
- hexagon 六角形 rokkakkei
- pentagon ペンタゴン pentagon
- cube 立方体 rippoutai
- cylinder シリンダー shirindaa
Browse all Japanese words in the glossary.
Questions about 球面
How do you pronounce 球面?
KYOO-mehn, two syllables meaning 'ball surface' — the 'kyu' glide at the start is quick, then a firm nasal 'men' finishes.
Is 球面 formal or casual?
球面 is a neutral, everyday word that works in both casual and polite speech. The level of formality comes from the sentence structure around it, not from the word itself.
How is 球面 written in Japanese?
球面 is written using kanji. Romanised, it reads as kyuumen.
Where can I practice Japanese words for free?
You can play free Japanese minigames in your browser on the Noun Town online games page, with no sign-up needed. Every word in the Japanese glossary also has native audio and an example sentence you can revisit any time.
"Sphere" in other languages
Curated by Callan Ratcliffe
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