"That causes agglutination; that glues, binds, or unites; agglutinative; agglutinating", Late 17th cent.; earliest use found in Bonet's Guide to the Practical Physician. From classical Latin agglūtinant-, agglūtināns, present participle of agglūtināre agglutinate.[agglutinant etymology, agglutinant origin, 英语词源]