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
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
2 April 2025
(adjective) secret or hidden; not openly practiced or engaged in or shown or avowed; “covert actions by the CIA”; “covert funding for the rebels”
The world’s most expensive coffee costs more than US$700 per kilogram. Asian palm civet – a cat-like creature in Indonesia, eats fruits, including select coffee cherries. It excretes partially digested seeds that produce a smooth, less acidic brew of coffee called kopi luwak.
