ph scale   (TTS Sound)

The ph_scale has 1 Senses.

• ph, ph scale
• (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);
• リットル当たりのグラム原子における水素イオン濃縮の逆数の対数