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
In this scenario, the discrepancy between chronological age and biological age was 0.25 years smaller for HRT users than for women who never received this therapy.
—
Lisa Rapaport, EverydayHealth.com, 5 Sep. 2024
As for an age limit, a cognitive test would serve as a better barometer of ability to serve than chronological age.
—Kaitlyn Schallhorn, Orange County Register, 4 Oct. 2024
However, this new study—published in Diabetes Care on August 28—used machine learning to quantify how the age of a person’s brain compared to their chronological age.
—Lauryn Higgins, Health, 3 Oct. 2024
In general, the women in the study were biologically older than their chronological age.
—Lisa Rapaport, EverydayHealth.com, 5 Sep. 2024
There was also a decrease in each person's biological age compared to their chronological age, which equated to 0.0312 units.
—New Atlas, 28 July 2024
As if this is not complicated enough, your chronological age may be quite different from the age of your arteries.
—Bryant Stamford, The Courier-Journal, 15 Aug. 2024
While our birthdate defines our numerical, or chronological age, the state of our cells, tissues and organ systems gives us a read on our biological age.
—New Atlas, 28 July 2024
Tests before and after, separated by an adequate amount of time to allow the body to respond to the treatment, reveal that patients who were aging faster than their chronological age can often reduce that rate significantly.
—Tyler Shepherd, USA TODAY, 11 May 2024
These examples are automatically compiled from online sources to
illustrate current usage. Opinions expressed in the examples do not represent those of
Merriam-Webster or its editors.
Send us feedback
about these examples.
Lisa Rapaport, EverydayHealth.com, 5 Sep. 2024
As for an age limit, a cognitive test would serve as a better barometer of ability to serve than chronological age.
—Kaitlyn Schallhorn, Orange County Register, 4 Oct. 2024
However, this new study—published in Diabetes Care on August 28—used machine learning to quantify how the age of a person’s brain compared to their chronological age.
—Lauryn Higgins, Health, 3 Oct. 2024
In general, the women in the study were biologically older than their chronological age.
—Lisa Rapaport, EverydayHealth.com, 5 Sep. 2024
There was also a decrease in each person's biological age compared to their chronological age, which equated to 0.0312 units.
—New Atlas, 28 July 2024
As if this is not complicated enough, your chronological age may be quite different from the age of your arteries.
—Bryant Stamford, The Courier-Journal, 15 Aug. 2024
While our birthdate defines our numerical, or chronological age, the state of our cells, tissues and organ systems gives us a read on our biological age.
—New Atlas, 28 July 2024
Tests before and after, separated by an adequate amount of time to allow the body to respond to the treatment, reveal that patients who were aging faster than their chronological age can often reduce that rate significantly.
—Tyler Shepherd, USA TODAY, 11 May 2024
Dictionary Entries Near chronological age
Cite this Entry
“Chronological age.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/chronological%20age. Accessed 5 Nov. 2024.
Copy CitationMedical 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
Love words? Need even more definitions?
Merriam-Webster unabridged
Share