chronological age

noun

: the age of a person as measured from birth to a given date

His chronological age is five, but his mental age is three—he thinks and behaves like a three-year-old.

Examples of chronological age in a Sentence

Recent Examples on the Web

Keep in mind that all ages are based on chronological age, not corrected age. — Anna Halkidis, Parents, 2 Sep. 2026

This variant prompts the body to keep churning out Klotho at high levels, regardless of chronological age. — Mark Ellwood, Robb Report, 9 Aug. 2026

Breast cancer survivors may suffer from symptoms of naturally occurring menopause due to their chronological age. — Versha Pleasant, The Conversation, 30 July 2026

Epigenetic Age Clocks Epigenetic clocks analyze DNA methylation patterns to estimate biological age — how old your biology looks relative to your chronological age. — Jesse Pines, Forbes.com, 20 July 2026

Rhymes for chronological age

• alienage
• assuage
• backstage
• bocage
• downstage
• engage
• enrage
• leafage
• messuage
• offstage
• onstage
• outrage

Medical Definition

chronological age

noun

chro·​no·​log·​i·​cal age ˌkrän-ᵊl-ˌäj-i-kəl-, ˌkrōn- 

: the age of a person as measured from birth to a given date compare achievement age