0-9 | A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z

decibel (dB)

noun

Definition

  1. A practical unit for measuring the ratio of the difference in intensity (power) of two waveforms, usually sound or power; the basic bel unit is the logarithm to the base 20 of their ratios, and one decibel is one-tenth of a bel.