modulation

noun

mod·​u·​la·​tion ˌmä-jə-ˈlā-shən How to pronounce modulation (audio)
1
: an inflection of the tone or pitch of the voice
specifically : the use of stress or pitch to convey meaning
2
: a regulating according to measure or proportion : tempering
3
: a change from one musical key to another by modulating
4
: the process of modulating a carrier or signal (as in radio)
also : the result of this process

Examples of modulation in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
In lupus—where the immune system mistakenly attacks healthy tissue—this modulation may help reduce flare-ups and symptom severity. Tribune Content Agency, Mercury News, 20 May 2025 To the south, Sheinbaum, who contributed to the important U.N. climate science reports before her career took a political turn, came out the gate with a modulation of her predecessor’s approach to climate. Justin Worland, Time, 30 Apr. 2025 Pendulum Therapeutics, which targets metabolic health through microbiome modulation, is an example of what’s possible. Abdo Riani, Forbes.com, 23 Apr. 2025 While distortion-heavy guitar still features on the album, it’s paired with instruments like the cello, violin, pedal steel and synth, as well as vocal modulation in the forms of Autotune and Vocoder. James Factora, Them., 2 Apr. 2025 See All Example Sentences for modulation

Word History

First Known Use

1501, in the meaning defined at sense 1

Time Traveler
The first known use of modulation was in 1501

Cite this Entry

“Modulation.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/modulation. Accessed 29 May. 2025.

Kids Definition

modulation

noun
mod·​u·​la·​tion ˌmäj-ə-ˈlā-shən How to pronounce modulation (audio)
1
: an action of modulating
2
: the extent or degree by which something is modulated
3
: a change from one musical key to another by using a chord that is found in both keys
4
: the process of modulating a carrier wave or signal (as in radio)
also : the result of this process

Medical Definition

modulation

noun
mod·​u·​la·​tion ˌmäj-ə-ˈlā-shən How to pronounce modulation (audio)
1
: the act or process of modulating
2
: a reversible change in histological structure due to physiological factors
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