po·ten·ti·om·e·ter (p -t n sh - m  -tr)n. 1. An instrument for measuring an unknown voltage by comparison to a standard voltage. 2. A three-terminal resistor with an adjustable center connection, widely used for volume control in radio and television receivers. Also called pot1. [potenti(al) + -meter.] po·ten ti·o·metric (--mtrk) adj. |
potentiometric [pəˌtɛnʃɪəˈmɛtrɪk]
adj
(Chemistry) Chem (of a titration) having the end point determined by a change in potential of an electrode immersed in the solution
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