Definition of wavelength
- two people on different wavelengths
Light and sound have different wavelengths.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'wavelength.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
: the distance from one wave of energy to another as it is traveling from one point to another point
—used especially in the phrases on the same wavelength and on a different wavelength to say that people share or do not share a way of thinking
What made you want to look up wavelength? Please tell us where you read or heard it (including the quote, if possible).
allowing a liquid or gas to pass through
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