fragile X syndrome
[ fraj-uhl eks-sin-drohm, -druhm; British fraj ahyl ]
noun
an inherited genetic disorder caused by a faulty gene on the X chromosome and having various possible effects, including developmental delays in infancy and early childhood, learning disabilities, intellectual disability, and a number of social, behavioral, and physical difficulties.
Origin of fragile X syndrome
1First recorded in 1980–85
Words Nearby fragile X syndrome
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
British Dictionary definitions for fragile-X syndrome
fragile-X syndrome
noun
an inherited condition characterized by mental subnormality: affected individuals have an X-chromosome that is easily damaged under certain conditions
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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