周三径一 (周三徑一) zhōusān jìng yī

zhōusān jìng yī set phrase circumference of a circle is proverbially three times its radius
Domain: Modern Chinese 现代汉语
Notes: (CC-CEDICT '周三徑一')

Word is mentioned most frequently in

Truncated for common words

• 卷十一 志第一 天文上 Volume 11 Treatises 1: Astronomy Part One Book of Jin 晉書 — count: 1
• 卷二十三 志第十三 天文一 Volume 23 Treatises 13: Astronomy 1 Book of Song 宋書 — count: 1

Collocations

• 言周三径一 (言周三徑一) 此言周三徑一也 — Book of Jin 晉書, 卷十一 志第一 天文上 Volume 11 Treatises 1: Astronomy Part One — count: 2