1. When Washingtonâs father Augustine died in 1743, George Washington became a slave owner at the early age of eleven. In his will, Augustine left his son the 280 acre family farm near Fredericksburg, Virginia. In addition, Washington was willed ten slaves.
On the decibel scale, the smallest audible sound (near total silence) is 0 dB. A sound 10 times more powerful is 10 dB. A sound 100 times more powerful than near total silence is 20 dB. A sound 1,000 times more powerful than near total silence is 30 dB.
LINK / CITE ADD TO WORD LIST. noun. The definition of a decibel is a degree of loudness, or is a unit used to measure how powerful or loud a sound or signal is using a logarithmic formula.When you turn your iPod up as loud as it can possibly go, this is an example of when you listen to your music at the highest decibel.oun. (plural decibels). 1  A common measure of sound intensity that is one tenth of a bel on the logarithmic intensity scale. 2  It is defined as dB = 10 * log 10 (P 1 /P 2), where P 1 and P 2 are the relative powers of the sound.