DECIBEL

decibel, dB

(noun) a logarithmic unit of sound intensity; 10 times the logarithm of the ratio of the sound intensity to some reference intensity

Source: WordNet® 3.1


Etymology

Noun

decibel (plural decibels)

A common measure of sound intensity ratio that is one tenth of a bel on the logarithmic intensity scale. It is defined as dB = 10 log10(P1 / P2), where P1 and P2 are the relative powers of the sound.

Source: Wiktionary



RESET




Word of the Day

5 January 2025

PTEROSAUR

(noun) an extinct reptile of the Jurassic and Cretaceous having a bird-like beak and membranous wings supported by the very long fourth digit of each forelimb


coffee icon

Coffee Trivia

According to Guinness World Records, the largest collection of coffee pots belongs to Robert Dahl (Germany) and consists of 27,390 coffee pots as of 2 November 2012, in Rövershagen, Germany.

coffee icon