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  1. pi

    • IPA[pī]

    美式

    • n.
      the sixteenth letter of the Greek alphabet (Π, π), transliterated as ‘p.’.;the numerical value of the ratio of the circumference of a circle to its diameter (approximately 3.14159).
    • symbol
      the numerical value of pi.;osmotic pressure.
    • 釋義
    • 相關詞

    名詞

    • 1. the sixteenth letter of the Greek alphabet (Π, π), transliterated as ‘p.’.
    • the numerical value of the ratio of the circumference of a circle to its diameter (approximately 3.14159).
    • the sixteenth star in a constellation Pi Herculis
    • relating to or denoting an electron or orbital with one unit of angular momentum about an internuclear axis the π orbital system of the benzene molecule

    symbol

    • 1. the numerical value of pi.
    • 2. osmotic pressure.
    • 3. mathematical product.
    • n.
      tediously moralizing talk.

    Oxford Dictionary

    • n.
      another term for pion

    Oxford American Dictionary

    • n.
      another term for pion

    Oxford Dictionary

    • 更多解釋
    • IPA[pʌɪ]

    英式

    • n.
      the sixteenth letter of the Greek alphabet (Π, π), transliterated as ‘p’.
    • symbol
      the numerical value of pi.

    Oxford Dictionary

    • IPA[pʌɪ]

    英式

    • adj.
      short for pious

    Oxford Dictionary

    • IPA[pī]

    美式

    • adj.
      short for pious

    Oxford American Dictionary

    • abbr
      private investigator.

    Oxford American Dictionary