isoagglutinationPronunciation: /ˌʌɪsəʊəˌgluːtɪˈneɪʃ(ə)n/Definition of isoagglutination noun [mass noun] Physiology agglutination of sperms, erythrocytes, or other cells of an individual caused by a substance from another individual of the same species. isoagglutination in other Oxford dictionaries Definition of isoagglutination in the US English dictionary