Trisomy 21 syndrome
trisomy 21 syndrome n.
See Down syndrome.
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noun 1. an ancient hoist or hauling device having three blocks.
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adjective, Botany. 1. having three seeds.
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- Tris speaker
noun 1. Tris(tram E.) 1888–1958, U.S. baseball player. noun 1. a person who speaks, esp at a formal occasion 2. See loudspeaker noun 1. the presiding officer in any of numerous legislative bodies, including the House of Commons in Britain and Canada and the House of Representatives in the US, Australia, and New Zealand
- Tristan
noun 1. a male given name, form of Tristram. noun 1. (in medieval romance) the nephew of King Mark of Cornwall who fell in love with his uncle’s bride, Iseult, after they mistakenly drank a love potion