Why was "tantrum" trending last week?
1580s (from 1540s as a past participle adjective), from Latin agglutinatus, past participle of agglutinare (see agglutination). Related: Agglutinated; agglutinating.
agglutinate ag·glu·ti·nate (ə-glōōt'n-āt')v. ag·glu·ti·nat·ed, ag·glu·ti·nat·ing, ag·glu·ti·nates
To clump together; undergo agglutination.
To cause substances, such as bacteria, to clump together.