decibel

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decibel

/ˈdɛsɪbɛl/ US
/ˈdɛsɪbəl/ US

Where it comes from

From deci- + bel.

noun decibels · dB

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.

Translations

Every language

noun a common measure of relative intensity

Español	decibelio
한국어	데시벨 desibel
日本語	デシベル deshiberu
中文	分貝 /分贝 fēnbèi
Português	decibel
Français	décibel
Deutsch	Dezibel
Italiano	decibel
Ελληνικά	ντεσιμπέλ ntesimpél
Română	decibel
Русский	децибе́л decibél
עברית	דֵּצִיבֵּל detsibél

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Cite this

MLA

"decibel." Wiktionary, via Micwyn, micwyn.com/word/decibel. Accessed 6 Nov. 2026.

APA

decibel. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/decibel

Chicago

"decibel." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/decibel.

BibTeX

@misc{decibel_2026,
  title = {decibel},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/decibel},
  urldate = {2026-11-06}
}