loud·​ness | \ ˈlau̇d-nəs How to pronounce loudness (audio) \

Definition of loudness

: the attribute of a sound that determines the magnitude of the auditory sensation produced and that primarily depends on the amplitude of the sound wave involved

Examples of loudness in a Sentence

Recent Examples on the Web

Our brain uses the difference in loudness and timing of the sound detected by each ear as a clue to infer where the sound came from. Science Buddies, Scientific American, "What Do You Hear Underwater?," 27 June 2019 The recordings were coupled with background noise—similar to the din of a coffee shop—at three increasing levels of loudness. Linda Lombardi, National Geographic, "Dogs can tune out noise, just like people at cocktail parties," 30 Apr. 2019 From a range of four to six feet, a M4 carbine, M249 squad automatic weapon, or M240 medium machine gun is between 159 to 164 decibels in loudness. Kyle Mizokami, Popular Mechanics, "The Marines Are Equipping Hundreds of Infantrymen with Silencers," 28 Nov. 2016 Every six decibels is perceived by the ears as about a doubling of loudness. Julia Belluz, Vox, "How your cycling class could give you hearing loss," 31 May 2018 The loudness threatened to drown out Vallas, who struggled to be heard. Chicago Tribune Staff, chicagotribune.com, "Morning Spin: How Vallas learned from the last time he launched a major campaign," 3 May 2018 This suggests that the gerbils could experience an accurate representation of loudness that is proportional to how strongly neurons are activated by light. Justin Chen, STAT, "Pulses of light restored hearing in gerbils. Could that lead to higher-tech cochlear implants?," 11 July 2018 Previous versions of the protein worked sluggishly to move ions in and out of neurons — a critical step in generating electrical signals to the brain conveying the rapidly changing characteristics of sound like loudness and pitch. Justin Chen, STAT, "Pulses of light restored hearing in gerbils. Could that lead to higher-tech cochlear implants?," 11 July 2018 Volume The pressure of sound vibrations, heard in terms of the loudness of music. Jonathon Keats, Discover Magazine, "Science of Music," 15 June 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'loudness.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of loudness

before the 12th century, in the meaning defined above

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Time Traveler for loudness

The first known use of loudness was before the 12th century

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More from Merriam-Webster on loudness

Spanish Central: Translation of loudness

Nglish: Translation of loudness for Spanish Speakers

Britannica.com: Encyclopedia article about loudness

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recurring in steady succession

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