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  • Db
    Db
    dubnium.
  • DB
    DB
    delayed broadcast.
  • dB
    dB
    decibel; decibels.
  • d.b.
    d.b.
    abbreviation
    daybook.
  • D.B.
    D.B.
    abbreviation
    Bachelor of Divinity.

Db

1 American  
Symbol, Chemistry, Physics.
  1. dubnium.


DB 2 American  
Radio and Television.
  1. delayed broadcast.


dB 3 American  
Or db
Physics.
  1. decibel; decibels.


d.b. 4 American  

abbreviation

  1. daybook.


D.B. 5 American  

abbreviation

  1. Bachelor of Divinity.

  2. Domesday Book.


DB 1 British  

abbreviation

  1. defined-benefit

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

dB 2 British  

symbol

  1. decibel or decibels

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

dB Scientific  
  1. Abbreviation of decibel


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

As the company guides that model “Zeekr 9x” and “Zeekr 8x” will enjoy gross margin of over 40%, DB estimates these two products may contribute around half of the overall Geely group’s bottom line.

From The Wall Street Journal • May 4, 2026

Long derided at home, DB made headlines abroad during the 2024 European Football Championships after fans and even players arrived at destinations hours later than planned.

From Barron's • Mar. 27, 2026

The South Korean biosimilar company’s operating profit could jump 42% to 1.657 trillion won, with revenue up 26%, this year, the DB analyst writes in a note.

From The Wall Street Journal • Mar. 17, 2026

Long derided at home, DB made headlines abroad during European Football Championships in 2024 after fans and even players arrived at destinations hours later than planned.

From Barron's • Feb. 2, 2026

If it lies in the stretch DB, construct the fourth harmonic of C with respect to D and B. This point D' may coincide with P, in which case, as before, the sequence is closed.

From An Elementary Course in Synthetic Projective Geometry by Lehmer, Derrick Norman

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