Words

Wordsmyth

Decimal

[DECI = tenth, 10th + MAL = Latin word ending, ex. normal, formal, animal, mammal, thermal]

          1. - a system of numbers based on ten and multiples of ten.
        1. - a fraction whose denominator is a power of ten and whose numerator is expressed by figures placed to the right of a decimal point.

12/100 = .12; 1/10 = .01; 1/2 = 50/100 = .50

Decibel

[DECI = tenth, 1/10 + BEL = a unit of volume or unit of measure of electrical signals]

- named after Alexander Graham Bell, a base-ten logarithm of the ratio between two signals,

- for every additional bel on the decibel scale, the signal is ten times stronger.