The actual age of a child expressed in years and months, e.g. 9:7. Standardised scores take account of a child`s chronological age to relate his or her performance of children of that age. Compare with a child`s “reading age� for example, which is the average chronological age of child comparable to his or her reading ability?
[n] - age measured by the time (years and months) that something or someone has existed
noun age measured by the time (years and months) that something or someone has existed; `his chronological age was 71 years`
The number of months or years since an individual's birth.
the number of years a person has lived, esp. when used as a standard against which to measure behavior, intelligence, etc.
The age of the baby since birth, rather than when the baby was due.