Meaning & use
rotary motion
Movement in a circular path around a fixed axis or center point.
See it in a sentence
The engine converts the piston's back-and-forth movement into rotary motion for the wheels.
A ceiling fan produces rotary motion by spinning its blades around a central shaft.
A note on using this word
Rotary motion is a standard term in physics and mechanics, contrasted with linear or reciprocating motion.
Words with a similar meaning
rotational motion
Choose a synonym to suit the sentence. Meanings can overlap without being identical.
Words with an opposite meaning
linear motion
Make it your own
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