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Meaning of Allan-Herndon-Dudley syndrome | Babel Free

Noun CEFR B2

Definitions

A rare brain-development disorder, almost exclusively in males, that causes moderate to severe mental retardation and problems with movement.

uncountable

Equivalents

Português síndrome de Allan-Herndon-Dudley

CEFR level

B2

Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.

See also

Allanach Allandale Allanfearn allanite Allans Flat Allansford