DB

Pronunciation (US):

(GB):

 Dictionary entry overview: What does dB mean? 

• DB (noun)
  The noun DB has 2 senses:

1. a transuranic element

2. a logarithmic unit of sound intensity; 10 times the logarithm of the ratio of the sound intensity to some reference intensity

  Familiarity information: DB used as a noun is rare.

 Dictionary entry details 

• DB (noun)

Sense 1

Meaning:

A transuranic element

Classified under:

Nouns denoting substances

Synonyms:

atomic number 105; Db; dubnium; element 105; hahnium

Hypernyms ("Db" is a kind of...):

chemical element; element (any of the more than 100 known substances (of which 92 occur naturally) that cannot be separated into simpler substances and that singly or in combination constitute all matter)

Sense 2

Meaning:

A logarithmic unit of sound intensity; 10 times the logarithm of the ratio of the sound intensity to some reference intensity

Classified under:

Nouns denoting quantities and units of measure

Synonyms:

dB; decibel

Hypernyms ("dB" is a kind of...):

sound unit (any acoustic unit of measurement)

 Context examples 

Hearing loss due to exposure to explosive loud noise or chronic exposure to sound level greater than 85 dB.

(Noise Induced Hearing Loss, NLM, Medical Subject Headings)