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How to spell speedometer

Speedometer is spelled S-P-E-E-D-O-M-E-T-E-R.

hear itspeed·om·e·ter/spi'dɑmɪtər/nounHidden vowels

What it means: An instrument that measures how fast a vehicle travels.

In a sentence: The car's speedometer shows how fast we are going.

The part people get wrong

Watch for double e.

Same family: speed, speeding, speedy, odometer, tachometer. If you can spell one, the shared part carries to the others.

Where it comes from: The word "speedometer" is built from English "speed" and Greek "-meter," meaning "measure." It literally means "speed measurer" and follows the same pattern as words like "thermometer" and "barometer."

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