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[seer-oh-neg-uh-tiv] /ˌsɪər oʊˈnɛg ə tɪv/
adjective, Medicine/Medical.
showing no significant level of serum antibodies, or other immunologic marker in the serum, that would indicate previous exposure to the infectious agent being tested.
Origin of seronegative
First recorded in 1930-35; sero- + negative Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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British Dictionary definitions for seronegative


(of a person whose blood has been tested for a specific disease, such as AIDS) showing no serological reaction indicating the presence of the disease
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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seronegative in Medicine

seronegative se·ro·neg·a·tive (sēr'ō-něg'ə-tĭv)
Having a negative reaction to a serological test for a disease, especially to a test for syphilis or AIDS.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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