Chronological age,

Definition of Chronological age:

1. Age of a person measured in years, months, and days from the date the person was born. See also psychological age.

How to use Chronological age in a sentence?

1. By knowing the chronological age that you think a product takes from start to release you can see if it is worth making or not.
2. I wondered what his chronological age was, because he looked like he was at least 100 years old, if not older.
3. When you are dealing with a new client figuring out their chronological age may help you to know how to negotiate with them.