円周

円周

Japanese

Kanji in this term
円	周
えん Grade: 1	しゅう Grade: 4
on’yomi

Circumference and diameter

Pronunciation

• On’yomi: Kan’on
  • (Tokyo) えんしゅう [èńshúú] (Heiban – [0])
  • IPA^(key): [ẽ̞ɰ̃ɕɨᵝː]

Noun

円周 (hiragana えんしゅう, rōmaji enshū, historical hiragana ゑんしう)

1. (geometry) circumference

Derived terms

• 円 (えん)周 (しゅう)角 (かく) (enshūkaku, “inscribed angle, angle of circumference”)
• 円 (えん)周 (しゅう)率 (りつ) (enshūritsu, “pi”)

See also

• 円 (えん) (en, “circle”)
• 半 (はん)径 (けい) (hankei, “radius”)
• 直 (ちょっ)径 (けい) (chokkei, “diameter”)
• 円 (えん)弧 (こ) (enko, “circular arc”)
• 周 (しゅう)囲 (い) (shūi)

References

• 2002, Ineko Kondō; Fumi Takano; Mary E Althaus; et. al., Shogakukan Progressive Japanese-English Dictionary, Third Edition, Tokyo: Shōgakukan, →ISBN.