Agglutinate \Ag*glu"ti*nate\, v. t. [imp. & p. p. {Agglutinated}; p. pr. & vb. n. {Agglutinating}.] [L. agglutinatus, p. p. of agglutinare to glue or cement to a thing; ad + glutinare to glue; gluten glue. See {Glue}.] To unite, or cause to adhere, as with glue or other viscous substance; to unite by causing an adhesion of substances.