phs
/piːˈeɪtʃˈɛs/
noun
- Abbreviation for potential hydrogen scale, a measure of acidity or alkalinity.
- The lab report showed the phs of the solution was 7.0, which is neutral.
- The pool water's phs level was too high, so we added acid.
- Gardeners often test soil phs to know which plants will grow best.