decad

noun

1. 1

   A group, set, or series of ten , particularly:

   “a decade of soldiers”

2. 2

   A set of resistors, capacitors, etc. connected so as to provide even increments between one and ten times a base electrical resistance.

3. 3

   The interval between any two quantities having a ratio of 10 to 1.

   “There are decades between 1.8 and 18, between 25 and 250 and between 0.03 and 0.003.”