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wavelength
/ ˈɱɪˌɛŋθ /
noun
- the distance, measured in the direction of propagation, between two points of the same phase in consecutive cycles of a wave λ
- the wavelength of the carrier wave used by a particular broadcasting station
- on someone's wavelength or on the same wavelength informal.having similar views, feelings, or thoughts (as someone else)
wavelength
- The distance between one peak or crest of a wave and the next peak or crest. It is equal to the speed of the wave divided by its frequency, and to the speed of a wave times its period.
wavelength
- The distance between crests (or troughs) of a wave .
Word History and Origins
Origin of wavelength1
Idioms and Phrases
- on the same wavelength, in sympathy or rapport:
We seemed to be on the same wavelength from the moment we met.
Example Sentences
There are three types of cone cells in the eye - S, L and M - and each one is sensitive to different wavelengths of blue, red and green respectively.
The short wavelength blue light of LEDs bounces around more in the sky, intensifying the brightness of light pollution more than an equivalent amount of less blue light energy.
MR: There are seasons, but they’re so small, and the wavelengths are much smaller, the change is much smaller, and that really mimics her experience and the PhD.
“If somehow that feedback is broken, for example, if kids are exposed to only a certain kind of wavelength, then that can mess up your refractive development.”
It scatters more of the shorter blue wavelengths, leaving longer red wavelengths to remain visible.
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
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