Dial (noun)

1. A face of a clock, watch, or similar instrument, with markings to indicate the time.
2. A graduated circular scale or face on an instrument, especially for measuring temperature, pressure, or electrical resistance.

Origin:

Middle english (denoting a sun-dial): via old french from latin dialis, from dies 'day'. the verb (late 16th century) is from the noun.

Examples:

1. She looked at the dial on the oven to check the temperature.
2. He adjusted the dial on the radio to find a clearer station.
3. The dial on the watch showed that it was 10 o'clock.
4. The dial on the pressure gauge indicated that the tire was under-inflated.
5. The dial on the multimeter was used to measure the resistance of the circuit.