Causing, or able to cause, agglutination.
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ag·glu·ti·na·tive ə-'glüt-ən-.āt-iv, -ət- adj causing or produced by agglutination <\agglutinative proteins>
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ag·glu·ti·na·tive (ə-glooґtĭ-na″tiv) promoting adhesion or agglutination.Medical dictionary. 2011.