Meaning & use
a mechanical wave
Last updated
Meaning
nouncountablephysicstechnical
A wave that moves through a material medium, such as sound in air or water waves on the sea.
Grammar: Used with 'a' or in the plural: a mechanical wave; mechanical waves need a medium.
Patterns
- a mechanical wave travels through something
- mechanical waves need a medium
Sound is a mechanical wave that travels through air or water.
Unlike light, a mechanical wave cannot pass through a vacuum.
Ocean waves are mechanical waves driven by wind.
Word forms
| plural | mechanical waves |
|---|
Common combinations
- a mechanical wave travels through a medium
- A mechanical wave travels through a medium such as air or water.
- mechanical wave motion
- The lesson explains mechanical wave motion using a rope.
- sound is a mechanical wave
- In physics class we learned that sound is a mechanical wave.
Synonyms and how they differ
- elastic wave
- Elastic wave is a more specialized term used in seismology and materials science for waves in elastic solids.
Word family
- mechanics noun
- The branch of physics that deals with forces and motion.
- mechanical adjective
- Relating to machines or to movement.
Commonly confused: a mechanical wave or electromagnetic wave?
a mechanical wave vs electromagnetic wave
An electromagnetic wave, such as light or radio waves, does not need a medium and can travel through a vacuum, unlike a mechanical wave.
Practice
Which of these is a mechanical wave?
Choose one answer.
Sound is a mechanical wave because it needs a medium like air or water to travel. Light, radio waves, and X-rays are electromagnetic waves and can travel through a vacuum.
Make it your own
Write a sentence using “a mechanical wave”, then check it and compare it with the examples above.