decibel

US/ˈdɛsɪbɛl/

decibel noun: a common measure of intensity ratio (e.g. for sound) that is one tenth of a bel on the logarithmic intensity scale. It is defined as dB = 10 log₁₀(P₁ / P₂), where P₁ and P₂ are the relative intensities.

Noun

decibel (plural decibels)

A common measure of intensity ratio (e.g. for sound) that is one tenth of a bel on the logarithmic intensity scale. It is defined as dB = 10 log₁₀(P₁ / P₂), where P₁ and P₂ are the relative intensities.

decibel meaning in Tamil and Malay

decibel in Tamil

டெசிபெல், தெசிபல், டெசிபல்

decibel in Malay

a common measure of relative intensity: desibel

Forms of decibel

plural	decibels
alternative form	dB

Plural of decibel: decibels

Origin of decibel

From deci- + bel.

Words formed from decibel

Questions about decibel

What does decibel mean?: Decibel means a common measure of intensity ratio (e.g. for sound) that is one tenth of a bel on the logarithmic intensity scale. It is defined as dB = 10 log₁₀(P₁ / P₂), where P₁ and P₂ are the relative intensities.
What is decibel in Tamil?: Decibel in Tamil is டெசிபெல், தெசிபல், டெசிபல். See Decibel meaning in Tamil.
What part of speech is decibel?: Decibel is a noun.
How do you pronounce decibel?: Decibel is pronounced /ˈdɛsɪbɛl/ (US).
What is the plural of decibel?: The plural of decibel is decibels.

Words near decibel in the dictionary

Adapted from Wiktionary: decibel (page history and authors); decibel (Tamil Wiktionary) (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

Last updated: 2026-09-02

Pronunciation audio from Wikimedia Commons, each file under its own free license: LL-Q1860 (eng)-Vealhurl-decibel.wav.

Cite this entry: “decibel.” Word.ws, https://word.ws/decibel. Based on Wiktionary, CC BY-SA 4.0.