modulation

noun

mod·​u·​la·​tion ˌmä-jə-ˈlā-shən How to pronounce modulation (audio)
Synonyms of modulationnext
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.
Researchers said charge redistribution, orbital hybridization and spin modulation at the interface helped optimize the catalyst’s behavior during oxygen reduction. Neetika Walter, Interesting Engineering, 13 June 2026 Even the blend of regen and real braking feels mushy, making pressure modulation difficult. Adam Ismail, The Drive, 11 June 2026 Roblox says its platform does not include any kind of voice modulation, but the case is part of the state's lawsuit against the game company. Michael Ruiz , Adam Sabes, FOXNews.com, 6 June 2026 This refined profile enables the stylus to trace the most intricate groove modulations with more accuracy. Mark Sparrow, Forbes.com, 4 June 2026 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 3 Jul. 2026.

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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