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dB

1 of 3

abbreviation (1)

decibel

Db

2 of 3

symbol

dubnium

DB

3 of 3

abbreviation (2)

daybook

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dazzling
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Cite this Entry

“DB.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/dB. Accessed 28 Nov. 2025.

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Medical Definition

Db

symbol
dubnium

More from Merriam-Webster on dB

Britannica.com: Encyclopedia article about dB

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