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
By comparing the radiation from each galaxy using both visible light and infrared wavelengths, scientists can study how hot young stars, around only 1 to 10 million years old, shape their environment.
—
Kenna Hughes-Castleberry, Space.com, 10 July 2025
Various wavelengths are recorded to gather as much data as possible about the corona without the diffusion and light leakage caused by Earthbound observations.
—David Szondy
june 28, New Atlas, 28 June 2025
Earlier this week, NASA released its latest detailed images of the Milky Way’s spiral sibling, as well an ethereal sonification of its energy wavelengths.
—Andrew Paul, Popular Science, 26 June 2025
Surveys of past TDEs have uncovered multiple instances where black holes that had seemingly gone quiet suddenly lit up again in radio wavelengths.
—Thomas Westerholm, MSNBC Newsweek, 25 June 2025
See All Example Sentences for wavelength
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Kenna Hughes-Castleberry, Space.com, 10 July 2025
Various wavelengths are recorded to gather as much data as possible about the corona without the diffusion and light leakage caused by Earthbound observations.
—David Szondy
june 28, New Atlas, 28 June 2025
Earlier this week, NASA released its latest detailed images of the Milky Way’s spiral sibling, as well an ethereal sonification of its energy wavelengths.
—Andrew Paul, Popular Science, 26 June 2025
Surveys of past TDEs have uncovered multiple instances where black holes that had seemingly gone quiet suddenly lit up again in radio wavelengths.
—Thomas Westerholm, MSNBC Newsweek, 25 June 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 22 Jul. 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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