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 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
For every night of poor sleep during that time, people reported feeling about a quarter of a year older than their chronological age.
—Sandee Lamotte, CNN, 26 Mar. 2024
The growing craze to be biologically younger The over $26 billion longevity industry is capitalizing on people’s interest in slowing aging, optimizing their health, and achieving an operating system comparable to someone much younger than their chronological age.
—Alexa Mikhail, Fortune Well, 30 Jan. 2024
By comparing study participants’ organ-specific proteins, the researchers were able to estimate an age gap—the difference between an organ’s biological age and its chronological age.
—Lori Youmshajekian, Scientific American, 6 Dec. 2023
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
For every night of poor sleep during that time, people reported feeling about a quarter of a year older than their chronological age.
—Sandee Lamotte, CNN, 26 Mar. 2024
The growing craze to be biologically younger The over $26 billion longevity industry is capitalizing on people’s interest in slowing aging, optimizing their health, and achieving an operating system comparable to someone much younger than their chronological age.
—Alexa Mikhail, Fortune Well, 30 Jan. 2024
By comparing study participants’ organ-specific proteins, the researchers were able to estimate an age gap—the difference between an organ’s biological age and its chronological age.
—Lori Youmshajekian, Scientific American, 6 Dec. 2023
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'chronological age.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
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Cite this Entry
“Chronological age.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/chronological%20age. Accessed 24 Sep. 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
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