01780343-a:
of or associated with or requiring the use of the mind
Glosses
(rgloss)
01840880-a:
having a mental age of three to seven years
Glosses
(rgloss)
01841054-a:
having a mental age of between eight and twelve years
Glosses
(rgloss)
13821977-n:
a measure of a person's intelligence as indicated by an intelligence test; the ratio of a person's mental age to their chronological age (multiplied by 100)