heterophil antibody

noun

het·​er·​o·​phil antibody

: an antibody characteristic of human blood during an attack of infectious mononucleosis that agglutinates sheep red blood cells

The Ultimate Dictionary Awaits

Expand your vocabulary and dive deeper into language with Merriam-Webster Unabridged.

1. Expanded definitions
2. Detailed etymologies
3. Advanced search tools
4. All ad-free

Discover what makes Merriam-Webster Unabridged the essential choice for true word lovers.

Start Your Free Trial Now