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unitarian
Unitarian Universalism
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universal donor
uni·ver·sal do·nor (plural uni·ver·sal do·nors)


noun 
Definition:
 
somebody with group O blood: somebody with group O blood who can potentially donate blood to anyone, regardless of the recipient's blood group.
See also  universal recipient
Encarta® World English Dictionary [North American Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
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