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Definitions

wavelength

[weyv-lengkth, -length, -lenth] / ˈweɪvˌlɛŋkθ, -ˌlɛŋθ, -ˌlɛnθ /
NOUN
insight
Synonyms
STRONGEST
acumen intuition judgment observation understanding vision wisdom
STRONG
click common sense comprehension discernment divination drift penetration perception perceptivity perspicacity sagaciousness sagacity sapience shrewdness
WEAK
sageness
Antonyms
STRONGEST
ignorance stupidity

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.

This raises an important question: can light be confined in structures smaller than its own wavelength?

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

By carefully adjusting the radius and depth of each cavity, they could control both the resonance wavelength and the vertical position of the optical mode.

From Science Daily • Mar. 24, 2026

Because light cannot be focused into a spot smaller than its wavelength, terahertz beams are too large to clearly probe tiny structures.

From Science Daily • Mar. 17, 2026

The shorter the wavelength, the higher the frequency, and the higher the pitch, of the sound.

From "Understanding Basic Music Theory" by Catherine Schmidt-Jones and Russel Jones