hemagglutination

noun

Etymology: Etymology tree English hem- French agglutinationbor. Proto-Indo-European *h₂éd Proto-Italic *ad Proto-Italic *ad- Latin ad- Proto-Indo-European *gleyH- Proto-Indo-European *glóh₁ytn̥ Proto-Italic *gloiten Latin glūten Latin glūtinō Latin agglūtinō Proto-Indo-European *-ōder. Proto-Indo-European *-Hōder.? Latin -ō Latin -iō New Latin agglutinatioder. English agglutination English hemagglutination From hem- + agglutination.

1. The agglutination of red blood cells, especially as a test for the presence of antibodies