Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
isoagglutinin is a noun meaning "an antibody produced by one individual that causes agglutination of red blood cells in other individuals of the same species". It carries one recorded sense.
an antibody produced by one individual that causes agglutination of red blood cells in other individuals of the same species
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for isoagglutinin come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.