decade

noun

1. A group, set, or series of ten , particularly

   “a decade of soldiers”

2. A group, set, or series of ten

   “The 1960s was a turbulent decade.”

   “I haven’t seen my cousin in over a decade!”

   “The repeated exposure, over decades, to most taxa here treated has resulted in repeated modifications of both diagnoses and discussions, as initial ideas of the various taxa underwent—often repeated—conceptual modification.”

   “Thru May: 1920s — The Decade That Roared. New exhibition portraying historical events and everyday life during the Roaring Twenties.”

   “Athletes' use of herbal supplements has skyrocketed in the past two decades.”

3. A group, set, or series of ten

   “The year was divided up into twelve months renamed after the seasons [...]; each month comprised three ‘decades’ of ten days – with the décadi replacing Sundays as a day of rest; and each day was reconsecrated to a natural product or farming tool or technique.”

4. (archaic, literary)A group, set, or series of ten
5. A group, set, or series of ten
6. A group, set, or series of ten
7. A group, set, or series of ten
8. A set of resistors, capacitors, etc. connected so as to provide even increments between one and ten times a base electrical resistance.
9. 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.”