pH

/pi:eitʃ/

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📖 中文释义

  1. 氢离子指数
  2. [医] 药典; 苯基

🔗 释义中的汉语词

🧩 词形变化

复数 phs
📘 English Definition(英文释义)
  1. n. (from potential of Hydrogen) the logarithm of the reciprocal of hydrogen-ion concentration in gram atoms per liter; provides a measure on a scale from 0 to 14 of the acidity or alkalinity of a solution (where 7 is neutral and greater than 7 is more basic and less than 7 is more acidic);