CEFR C1
ver
noun
Meaning
A unit of measurement for acidity or alkalinity, expressed as a number on a scale from 0 to 14, where 7 is neutral, below 7 is acidic, and above 7 is alkaline.
Examples
- The ver of the swimming pool water should be maintained between 7.2 and 7.6.
- Testing the ver of the soil is important for successful gardening.
Synonyms: acidity, alkalinity, hydrogen ion concentration