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Definitions

wavelength

[weyv-lengkth, -length, -lenth] / ˈweɪvˌlɛŋkθ, -ˌlɛŋθ, -ˌlɛnθ /


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Each type of light has a wavelength, which determines how small a structure can be while still controlling it effectively.

From Science Daily • Apr. 5, 2026

When these strips are positioned closer together than the wavelength of light, the grating can act like a near-perfect mirror while also holding the light inside a very small volume.

From Science Daily • Apr. 5, 2026

Black is the absorption of light; white is the presence of every wavelength.

From The Wall Street Journal • Mar. 27, 2026

This effectively compressed the light into a region much smaller than its wavelength, allowing it to bypass the diffraction limit and reveal much finer details.

From Science Daily • Mar. 17, 2026

It was like we were on the same wavelength.

From "I Will Always Write Back" by Caitlin Alifirenka and Martin Ganda




Vocabulary lists containing wavelength