seronegative

[ 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.

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Origin of seronegative

First recorded in 1930–35; sero- + negative
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

British Dictionary definitions for seronegative

seronegative
/ (ˌsɪərəʊˈnɛɡətɪv) /

adjective

(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

Medical definitions for seronegative

seronegative
[ sîr′ō-nĕgə-tĭv ]

adj.

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.