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A Writer's Dictionary:

trisomy Definition


Dictionary Home » Words Starting with T » trippier ... troilist » trisomy


trisomy
noun
    1. medicine.
      A condition in which there is an extra copy of a chromosome in the cell nuclei, eg trisomy-21 which is associated with Down's syndrome.
Derivative: trisomic
adj, noun
    Etymology: 1920s: from tri- sense 1 + -some sense 2.



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