円周率

Japanese
Kanji in this term
円 周 率
えん
Grade: 1		 しゅう
Grade: 4		 りつ
Grade: 5
kan’on
Alternative spelling
圓周率 (kyūjitai)

Etymology

From 円周 (enshū, “circumference”) +‎ 率 (-ritsu, “ratio”).

Pronunciation
  • (Tokyo) えんしゅ​うりつ [èńshúꜜùrìtsù] (Nakadaka – [3])
  • IPA(key): [ẽ̞ɰ̃ɕɨᵝːɾʲit͡sɨᵝ]

Noun

円(えん)周(しゅう)率(りつ) • (enshūritsu) ←ゑんしうりつ (wensiuritu)?

  1. (mathematics) pi
    Synonym: パイ (pai)
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