an immunologic reaction between a given antigen and an antibody or lymphokine that is specific for a different antigen resembling the first one.
Origin of cross-reaction
First recorded in 1945–50
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
A specific reaction between an antiserum and an antigen complex other than the complex that caused the production of the specific antibodies of the antiserum.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.