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
Their plans include improving conversion efficiency, adding dynamic control to reshape the optical pinhole, and extending the system to longer infrared wavelengths.
—
Aamir Khollam, Interesting Engineering, 19 Sep. 2025
Disruptive blue wavelengths can wreak havoc on the body’s internal clock, even suppressing the production of melatonin—a hormone that helps regulate our circadian rhythm.
—Laura Kiniry, Popular Science, 17 Sep. 2025
Next, the gel polishes themselves had to work with the specific wavelengths of the Olive & June lamp.
—Megan McIntyre, Allure, 16 Sep. 2025
If not, China will soon reach parity and potentially move ahead, hence the decision to name the report after the wavelength shift of light for objects accelerating away.
—Eric Berger, ArsTechnica, 16 Sep. 2025
See All Example Sentences for wavelength
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Aamir Khollam, Interesting Engineering, 19 Sep. 2025
Disruptive blue wavelengths can wreak havoc on the body’s internal clock, even suppressing the production of melatonin—a hormone that helps regulate our circadian rhythm.
—Laura Kiniry, Popular Science, 17 Sep. 2025
Next, the gel polishes themselves had to work with the specific wavelengths of the Olive & June lamp.
—Megan McIntyre, Allure, 16 Sep. 2025
If not, China will soon reach parity and potentially move ahead, hence the decision to name the report after the wavelength shift of light for objects accelerating away.
—Eric Berger, ArsTechnica, 16 Sep. 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 21 Sep. 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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