cross-react

[ kraws-ree-akt, kros- ]
/ ˈkrɔs riˈækt, ˈkrɒs- /

verb (used without object) Immunology. (of an antigen, antibody, or lymphocyte)

to participate in a cross-reaction.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019