MENTAL AGE


Meaning of MENTAL AGE in English

ˌmental ˈage BrE AmE noun [countable]

a measure of someone’s ability to think, understand etc, expressed as the average age of a child with that level of ability:

a 25-year-old man with a mental age of seven

Longman Dictionary of Contemporary English.      Longman - Словарь современного английского языка.