wavelength
noun
wave·length
ˈwāv-ˌleŋ(k)th 
1
: the distance in the line of advance of a wave from any one point to the next point of corresponding phase
2
: a particular course or line of thought especially as related to mutual understanding
two people on different wavelengths
Examples of wavelength in a Sentence
Light and sound have different wavelengths.
Recent Examples on the Web
What wavelength of red light is best for hair growth?
—
Kristine Thomason, Vogue, 26 May 2025
Those in the 980-nm wavelength were converted to blue light, those in the 808-nm wavelength became green, and those above 1,532 nm were converted to red light.
—Michael Franco
may 23, New Atlas, 23 May 2025
The coloration of light in this image does not depict a true optical rainbow as would be seen by the naked eye, but rather a colored representation of different wavelengths of light that highlight the instrument's capability to analyze various components of the solar atmosphere.
—Samantha Mathewson, Space.com, 15 May 2025
The scientists searched for evidence in wavelengths of visible and ultraviolet light.
—Ashley Strickland, CNN Money, 3 May 2025
See All Example Sentences for wavelength
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Kristine Thomason, Vogue, 26 May 2025
Those in the 980-nm wavelength were converted to blue light, those in the 808-nm wavelength became green, and those above 1,532 nm were converted to red light.
—Michael Franco
may 23, New Atlas, 23 May 2025
The coloration of light in this image does not depict a true optical rainbow as would be seen by the naked eye, but rather a colored representation of different wavelengths of light that highlight the instrument's capability to analyze various components of the solar atmosphere.
—Samantha Mathewson, Space.com, 15 May 2025
The scientists searched for evidence in wavelengths of visible and ultraviolet light.
—Ashley Strickland, CNN Money, 3 May 2025
See All Example Sentences for wavelength
Cite this Entry
“Wavelength.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/wavelength. Accessed 3 Jun. 2025.
Copy CitationKids Definition
wavelength
noun
wave·length
ˈwāv-ˌleŋ(k)th
1
: the distance (as from crest to crest) in the line of advance of a wave from any one point to the next corresponding point
2
: a certain line of thought or behavior that reveals a common understanding
coworkers who are on the same wavelength
Medical Definition
wavelength
noun
wave·length
-ˌleŋ(k)th
: the distance in the line of advance of a wave from any one point to the next point of corresponding phase
—symbol λ
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