Decade
WordNet

noun


(1)   The cardinal number that is the sum of nine and one; the base of the decimal system
(2)   A period of 10 years
WiktionaryText

Etymology


From , from décade, from Late decas '(set of) ten', from (dekas), from (deka) 'ten'

Noun



  1. Any series of ten items.
  2. A period of ten years.
  3. A series of ten Hail Marys in the rosary.
  4. The interval between any two quantities having the ratio 10 to 1.
    'There are decades between 1.8 and 18, between 25 and 250 and between 0.03 and 0.003.
 
x
OK