seventy
n. A1 Beginner Oxford US //ˈsɛvəni// UK //sˈɛvənti// sev·en·ty General-service
n. the number 70. It comes after sixty-nine and before seventy-one.
n. the cardinal number equivalent to the product of seven and ten.
My grandmother is seventy years old today.
The speed limit on this highway is seventy miles per hour.
The survey indicates that seventy percent of the local population supports the construction of a new community library.
Usage
Functions as a determiner when preceding a noun or as a noun when referring to the number itself.