0 a period of ten years, especially a period such as 2010 to 2019
They predict that a large earthquake will strike the east coast before the end of the decade.
Environmental awareness has increased dramatically over the past decade.
India attained independence in 1947, after decades of struggle.
The success of Strauss’s tires was made possible because of all the improvements to rubber tires that had been made during the previous decade.
In the earlier years of the fourth decade of the century, however, a change came over a considerable section of the movement.