potentiometer
noun
- variable resistor
- measuring instrument
Wiktionary
Pronunciation: /pəˌtɛn(t)ʃiˈɒmɪtə/ / /pəˌtɛn(t)ʃiˈɑmɪtəɹ/
noun
- A user-adjustable three-terminal variable resistor that can be used as a voltage divider.
- An instrument that measures a voltage by opposing it with a precise fraction of a known voltage, and without drawing current from the unknown source.