there isn't one. you could say something along the lines of "one revolution of the sun"
A century is another word for one hundred years
25 years in the past from today
Another word for 20 years is "score." This term is often used in historical or literary contexts, such as in the phrase "four score and seven years ago."
25 years in the past from today
half a decade
10 years is a decade
century
A period of 1000 years is a millennium (plural millenia).
eg: during the past few years. my answer is in. eg: in the past few yeras
Adolescence
what is frolica design
ten years