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rheostat

Pronunciation: [ˈriːəʊstæt]

Word

Learn how to use rheostat in a sentence: 3 audio examples across 1 meaning.

Context: “electrical engineering”

(noun) a device that controls the flow of electricity in a circuit by changing the resistance. It's like a special knob that lets you make a light dimmer or brighter by adjusting how much electricity flows through it.

Example

She used a rheostat to make the lamp shine brighter when she was reading.

Example

The old light switch couldn't change the brightness because it didn't have a rheostat.

Example

Do you know how a rheostat works to control the light?

How to pronounce rheostat

Pronunciation: [ˈriːəʊstæt]

Listen and repeat as many times as you need.

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