What a period of ten years is called?

Answer 1

A period of ten years is called a decade. Sometimes a decade is used more specifically, to refer to a ten-year period that starts with a year that ends in zero. For example, "the sixties" or "the 1960s" refers to the years 1960-1969.

Answer 2

A period of ten years is called a decade.

An example sentence using the word 'decade' is: We haven't seen her in a decade.

Answer 3

It's called a decade.

Answer 4

Decades.... Deca is Greek for 10.