Sounds require medium.

Meaning: This means that sounds cannot travel through a vacuum, because there is no substance for them to travel through.

Choice of Words: Sounds are things that you hear. Require means to need or to have a necessity for something. Medium is a substance through which something can travel or be transmitted. So, 'Sounds require medium' means that sounds need a substance, such as air or water, in order to travel or be heard.

Alternative Expressions

Related Expressions

• A medium orange provides about 131 milligrams of potassium.
• The forest was alive with the sounds of nature, a symphony of sights and sounds.
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