Home » Chronological Age Chronological Age ALLABCDEFGHIJKLMNOPQRSTUVWXYZThe number of years elapsed since an original structure was built. Synonyms are actual age and historical age. Contrast with effective age.Related Articles: Glossary: Actual AgeGlossary: AgeGlossary: Effective AgeGlossary: Historical AgeRelated Terms:Term: Historical AgeTerm: Effective AgeTerm: Actual Age