achievement age

noun
achieve·​ment age | \ ə-ˈchēv-mənt- How to pronounce achievement age (audio) \

Medical Definition of achievement age

: the level of an individual's educational achievement as measured by a standardized test and expressed as the age (as 8 years 6 months) for which the test score would be the average score

called also educational age

— compare chronological age

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a sum of money that is sent as a payment

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