modulation

noun

mod·​u·​la·​tion ˌmä-jə-ˈlā-shən 

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

According to Stengel, it is assumed that the effect is achieved via modulation of inflammatory processes, nerve activity, and the regulation of stress hormones such as cortisol and neurotransmitters such as serotonin and dopamine—all of which happens along the gut-brain axis. —Desireé Oostland, Vogue, 17 July 2025

These imprints manifest as specific modulations in the probing light’s frequency, amplitude, phase and polarization. —Pravir Malik, Forbes.com, 10 July 2025

So those were all written into the backbone of the story, but then the modulation became my job of finding the inner world. —Josh Wigler, The Hollywood Reporter, 27 Feb. 2025

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

Word History

First Known Use

1501, in the meaning defined at sense 1

Phrases Containing modulation

• amplitude modulation
• frequency modulation
• phase modulation

Rhymes for modulation

• abdication
• aberration
• abjuration
• abnegation
• abrogation
• acceptation
• acclamation
• acclimation
• accusation
• activation
• actuation
• acylation

Kids Definition

modulation

noun

mod·​u·​la·​tion ˌmäj-ə-ˈlā-shən 

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 

1

: the act or process of modulating

2

: a reversible change in histological structure due to physiological factors