pH

A scale measuring acidity or alkalinity

TOEFL

Example

A pH below 7 indicates an acid; above 7 indicates a base.

Synonyms

acidity measurechemical scalehydrogen ion concentration

Found in

Related Words

accelerationthe rate of change of velocity; the second derivative of positionSAT · TOEFLacida chemical substance with pH less than 7; sharp or biting in tasteSAT · TOEFLadaptationThe process of changing to suit different conditions; an altered form of somethi…TOEFL · IELTSaerobicRelating to or requiring the presence of oxygenTOEFLaerosolTiny particles suspended in a gasTOEFLalgaeSimple non-flowering plants, typically found in waterTOEFLalleleA variant of a gene that produces a different traitTOEFLalloya mixture of two or more metals; to mix metalsSAT · TOEFL

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