An instrument used to measure the strength or concentration of alkali in a solution.
From 'alkali' + Greek '-meter' (measuring instrument). This technical term emerged in 18th-century analytical chemistry as scientists needed tools to quantify alkalinity.
The '-meter' suffix is a scientist's way of saying 'measuring device'—you'll find it in thermometer, barometer, and speedometer, showing how chemistry borrowed from the ancient Greek love of precision and measurement.
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