Library / English Dictionary

    TRISOMY 21

     I. (noun) 

    Sense 1

    Meaning:

    A congenital disorder caused by having an extra 21st chromosome; results in a flat face and short stature and mental retardationplay

    Synonyms:

    Down's syndrome; Down syndrome; mongolianism; mongolism; trisomy 21

    Classified under:

    Nouns denoting stable states of affairs

    Hypernyms ("trisomy 21" is a kind of...):

    birth defect; congenital abnormality; congenital anomaly; congenital defect; congenital disorder (a defect that is present at birth)

    trisomy (chrosomal abnormality in which there is one more than the normal number of chromosomes in a cell)

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