There are 2 definitions of dB in English:

dB1

Syllabification: dB

abbreviation

Decibel(s).

Definition of dB in:

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Word of the day inamorata
Pronunciation: ɪˌnaməˈrɑːtə
noun
a person's female lover

There are 2 definitions of dB in English:

Db2

Syllabification: Db

symbol

The chemical element dubnium.

Definition of dB in: