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English definition of “mental age”

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mental age

noun [C usually singular] uk   us  
A person's mental age is a measurement of their ability to think when compared to the average person's ability at that age: Although Andrew is 25, he has a mental age of six.
Translations of “mental age”
in Chinese (Traditional) 智力年齡, 心理年齡…
in Chinese (Simplified) 智力年龄, 心理年龄…
(Definition of mental age from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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