decibel

noun

deci·bel ˈde-sə-ˌbel How to pronounce decibel (audio)

-bəl

: a unit for expressing the ratio of two amounts of electric or acoustic signal power equal to 10 times the common logarithm of this ratio

: a unit for expressing the ratio of the magnitudes of two electric voltages or currents or analogous acoustic quantities equal to 20 times the common logarithm of the voltage or current ratio

: a unit for expressing the relative intensity of sounds on a scale from zero for the average least perceptible sound to about 130 for the average pain level

: degree of loudness

also : extremely loud sound

—usually used in plural

Did you know?

The unit for measuring the relative intensities of sound is called a decibel. Because the decibel scale is logarithmic, a sound with an intensity that is twice that of a reference sound corresponds to an increase of little more than 3 decibels. In common practice, the reference point of 0 decibel is set at the intensity of the least perceptible sound, the threshold of hearing. On such a scale a 10-decibel sound is 10 times the intensity of the reference sound; a 20-decibel sound is 100 times the reference intensity, and so on. Normal conversation is usually around 60 decibels, an electric saw around 100 decibels, and amplified rock music around 120 decibels.

Example Sentences

a rock concert blasting music at 110 decibels the crowd decibels increased dramatically as the horses neared the finish line

Recent Examples on the Web Rachel Buxton, an assistant professor of conservation biology at Carleton University in Ottawa who has studied the impact of noise pollution in rural areas, says that even a five decibel increase can have a dramatic impact.

Rekha Tenjarla, Washington Post, 31 Aug. 2022 Days earlier at practice, no player was out of range of Inserra’s basso profundo voice, which capably battled low-flying jets from nearby O’Hare International Airport for decibel dominance.

George Castle, Chicago Tribune, 29 Aug. 2022 This phobia is heightened as the intensity of the storm, likely measured by the vigor of the lightning or decibel level of the thunder, amplifies.

Marshall Shepherd, Forbes, 10 Aug. 2022 Next to me sits a mezcal salesman, talking loudly into his cell phone over the din and hum of the world around him, as the decibel volume hovers at around 80.

Jordan Michelman, San Francisco Chronicle, 29 July 2022 The new ordinance would rely on setting decibel limits throughout the city.

Wells Dusenbury, Sun Sentinel, 10 June 2022 But before that scene and without dialogue or even a single decibel, Hamaguchi re-creates the utter overwhelm of being suspended in grief, love, and regret, and the paralysis of not being able to do anything but simply exist within those feelings.

Nina Li Coomes, The Atlantic, 5 Mar. 2022 Parks and nearby residents used decibel counters on their iPhones to record the din of machinery, and zoom lenses to photograph workers dressed in hazmat gear just feet away from where people lived and raised children.

Emily Witt, The New Yorker, 3 Mar. 2022 Parents can set the decibel limit with buttons on the headset.

Jim Rossman, Dallas News, 26 Aug. 2021 See More

Medical Definition

decibel

noun

deci·bel ˈdes-ə-bəl How to pronounce decibel (audio)

-ˌbel

: a unit for expressing the ratio of two amounts of electric or acoustic signal power equal to 10 times the common logarithm of this ratio

: a unit for expressing the ratio of the magnitudes of two electric voltages or currents or analogous acoustic quantities equal to 20 times the common logarithm of the voltage or current ratio

: a unit for expressing the relative intensity of sounds on a scale from zero for the average least perceptible sound to about 130 for the average pain level

单词	decibels
释义	decibel noun deci·bel ˈde-sə-ˌbel -bəl 1 a : a unit for expressing the ratio of two amounts of electric or acoustic signal power equal to 10 times the common logarithm of this ratio b : a unit for expressing the ratio of the magnitudes of two electric voltages or currents or analogous acoustic quantities equal to 20 times the common logarithm of the voltage or current ratio 2 : a unit for expressing the relative intensity of sounds on a scale from zero for the average least perceptible sound to about 130 for the average pain level 3 : degree of loudness also : extremely loud sound —usually used in plural Did you know? The unit for measuring the relative intensities of sound is called a decibel. Because the decibel scale is logarithmic, a sound with an intensity that is twice that of a reference sound corresponds to an increase of little more than 3 decibels. In common practice, the reference point of 0 decibel is set at the intensity of the least perceptible sound, the threshold of hearing. On such a scale a 10-decibel sound is 10 times the intensity of the reference sound; a 20-decibel sound is 100 times the reference intensity, and so on. Normal conversation is usually around 60 decibels, an electric saw around 100 decibels, and amplified rock music around 120 decibels. Synonyms babel blare bluster bowwow brawl bruit [archaic] cacophony chatter clamor clangor din discordance katzenjammer noise racket rattle roar See all Synonyms & Antonyms Example Sentences a rock concert blasting music at 110 decibels the crowd decibels increased dramatically as the horses neared the finish line Recent Examples on the Web Rachel Buxton, an assistant professor of conservation biology at Carleton University in Ottawa who has studied the impact of noise pollution in rural areas, says that even a five decibel increase can have a dramatic impact. Rekha Tenjarla, Washington Post, 31 Aug. 2022 Days earlier at practice, no player was out of range of Inserra’s basso profundo voice, which capably battled low-flying jets from nearby O’Hare International Airport for decibel dominance. George Castle, Chicago Tribune, 29 Aug. 2022 This phobia is heightened as the intensity of the storm, likely measured by the vigor of the lightning or decibel level of the thunder, amplifies. Marshall Shepherd, Forbes, 10 Aug. 2022 Next to me sits a mezcal salesman, talking loudly into his cell phone over the din and hum of the world around him, as the decibel volume hovers at around 80. Jordan Michelman, San Francisco Chronicle, 29 July 2022 The new ordinance would rely on setting decibel limits throughout the city. Wells Dusenbury, Sun Sentinel, 10 June 2022 But before that scene and without dialogue or even a single decibel, Hamaguchi re-creates the utter overwhelm of being suspended in grief, love, and regret, and the paralysis of not being able to do anything but simply exist within those feelings. Nina Li Coomes, The Atlantic, 5 Mar. 2022 Parks and nearby residents used decibel counters on their iPhones to record the din of machinery, and zoom lenses to photograph workers dressed in hazmat gear just feet away from where people lived and raised children. Emily Witt, The New Yorker, 3 Mar. 2022 Parents can set the decibel limit with buttons on the headset. Jim Rossman, Dallas News, 26 Aug. 2021 See More Word History Etymology International Scientific Vocabulary deci- + bel First Known Use 1928, in the meaning defined at sense 1a Kids Definition decibel noun deci·bel ˈde-sə-ˌbel -bəl : a unit for measuring the loudness of sounds Medical Definition decibel noun deci·bel ˈdes-ə-bəl -ˌbel 1 a : a unit for expressing the ratio of two amounts of electric or acoustic signal power equal to 10 times the common logarithm of this ratio b : a unit for expressing the ratio of the magnitudes of two electric voltages or currents or analogous acoustic quantities equal to 20 times the common logarithm of the voltage or current ratio 2 : a unit for expressing the relative intensity of sounds on a scale from zero for the average least perceptible sound to about 130 for the average pain level decibels noun plural of decibel as in noise loud, confused, and usually inharmonious sound the crowd decibels increased dramatically as the horses neared the finish line Synonyms & Similar Words Relevance noise roar chatter cacophony din blare clamor rattle racket bruit clangor boom katzenjammer discordance babel bluster brawl commotion dissonance discord clatter bowwow hubbub rumpus tumult hullabaloo clap jangle uproar bang furor hurly-burly blast crash crack Antonyms & Near Antonyms silence quiet still stillness hush calm lull silentness tranquility quietude serenity tranquillity See More
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decibel

noun

Did you know?

Synonyms

Example Sentences

Word History

Kids Definition

noun

Medical Definition

noun

noun