Bel Definition

bĕl
noun
Ten decibels.
American Heritage
A unit used for measuring sound intensity, equal to 10 decibels: abbrev. B.
Webster's New World
The god of heaven and earth.
Webster's New World

A measure of relative power, defined as log10(P 1/P 2), where P1 and P2 are the measured and reference power respectively. See also decibel.

Wiktionary
Synonyms:
  • b
abbreviation
Belgium.
Webster's New World
Advertisement
other
A unit of measurement equal to ten decibels.
American Heritage Science

In physics, a measure of comparative power ratio, or relative loudness. In other words, a unit of power ratio. The number of bels is the decimal logarithm of the power ratio, which is expressed mathematically as follows: B = log 10 (P 1 /P 2 ) where B = Bel, and P 1 and P 2 are power levels. One bel is equal to 10 decibels. The bel is named for Alexander Graham Bell, inventor of the telephone, among other things. See Bell, Alexander Graham; decibel; logarithm; and power.

Webster's New World Telecom

Other Word Forms of Bel

Noun

Singular:
bel
Plural:
bels

Origin of Bel

  • After Alexander Graham Bell

    From American Heritage Dictionary of the English Language, 5th Edition

  • Named after Alexander G. Bell

    From Wiktionary

Advertisement

Find Similar Words

Find similar words to bel using the buttons below.

Words Starting With

Words Ending With

Unscrambles

bel