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a unit of relative power intensity equal to one tenth of a bel, used for electric or acoustic power measurements; one decibel equals approximately the smallest difference in acoustic power the human ear can detect and an increase of 10 decibels approximately doubles the loudness of a sound. Abbreviated dB or db.
 Examples of decibel levels in everyday situations. From Frazier et al., 1996.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.


Abbreviation for dubnium.


, db
Abbreviation for decibel.
Farlex Partner Medical Dictionary © Farlex 2012


Abbreviation for:
database (Medspeak-UK)
date of birth (Medspeak-UK)
decidua basalis
deep breath
demineralised bone
dense body
dextran blue
diet beverage
direct bilirubin
disruptive behaviour
DNA binding
dot blot
double blind
downstream box
duodenal bulb
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.


Abbreviation for decibel.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012


Abbreviation for decibel.
Medical Dictionary for the Dental Professions © Farlex 2012