noun
a congenital disease affecting T cells that can result from a mutation in any one of several different genes; children with it are susceptible to infectious disease; if untreated it is lethal within the first year or two of life
• Syn: ↑severe combined immunodeficiency disease, ↑SCID
• Hypernyms: ↑immunodeficiency, ↑monogenic disorder, ↑monogenic disease
• Hyponyms: ↑ADA-SCID, ↑X-linked SCID, ↑X-SCID
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noun also severe combined immune deficiency : a rare congenital disorder of the immune system that is characterized by inability to produce a normal complement of antibodies and T cells and that results usually in early death — abbreviation SCID
Useful english dictionary. 2012.