Meaning & use
thumbwheel
Last updated
A small wheel or dial designed to be rotated with the thumb to adjust a setting on a device.
See it in a sentence
He turned the thumbwheel on the side of the watch to set the time.
The old radio used a thumbwheel to control the volume.
A note on using this word
Common on older electronics, calculators, and mechanical instruments before touchscreens and digital buttons became standard.
Words with a similar meaning
dialscroll wheel
Choose a synonym to suit the sentence. Meanings can overlap without being identical.
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