heterophile

adjective
het·​ero·​phile | \ˈhe-tə-rə-ˌfī(-ə)l \
variants: or heterophil \ ˈhe-​tə-​rə-​ˌfil \

Definition of heterophile 

: of, relating to, or being an antibody circulating in blood serum that is reactive with antigen originating in a different species

First Known Use of heterophile

1920, in the meaning defined above

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The first known use of heterophile was in 1920

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More Definitions for heterophile

heterophile

adjective
het·​ero·​phile | \ˈhet-ə-rə-ˌfīl \
variants: also heterophil \ -​ˌfil \ or heterophilic \ ˌhet-​ə-​rə-​ˈfil-​ik \

Medical Definition of heterophile 

(Entry 1 of 2)

: of, relating to, or being an antibody circulating in blood serum that is reactive with usually weak antigen originating in a different species Even though heterophile antibodies have nothing to do with EBV [Epstein-Barr virus] … heterophile antibody tests remain the principal method to diagnose IM [infectious mononucleosis] … — Carey-Ann D. Burnham et al., in The Immunoassay Handbook: Theory and applications of ligand binding, ELISA and related techniques, 2013

heterophile

noun
variants: or heterophil

Medical Definition of heterophile (Entry 2 of 2)

: neutrophil used especially in veterinary medicine

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