noun
acidity; degree of acidity
Technical term used in chemistry and related fields to refer to the level or degree of acidity.
この溶液の酸性度を測定してください。
Please measure the acidity of this solution.
酸性度が高いほど、pH値は低くなります。
The higher the acidity, the lower the pH value.
Compound of 酸性 (さんせい, 'acidity') + 度 (ど, 'degree').