agglutinate

US: /əˈglutənˌeɪt/

US: (v. ə glo̅o̅t′n āt′; adj. ə glo̅o̅t′n it, -āt′)

Inflections of 'agglutinate' (v): (⇒ conjugate)

agglutinate

v 3rd person singular

agglutinating

v pres p

agglutinated

v past

agglutinated

v past p

WordReference Random House Learner's Dictionary of American English © 2025

ag•glu•ti•nate /əˈglutənˌeɪt/   v. [no object] , -nat•ed, -nat•ing. 

1. to adhere, stick, or clump together:
   In minutes the mixture agglutinated, forming a sticky mass.

WordReference Random House Unabridged Dictionary of American English © 2025

ag•glu•ti•nate  (v. ə glo̅o̅t′n āt′;adj. ə glo̅o̅t′n it, -āt′), v., -nat•ed, -nat•ing, adj. 
v.t., v.i. 

1. to unite or cause to adhere, as with glue.
2. Physiology, Immunology [Immunol.] to clump or cause to clump, as bacteria or blood platelets.
3. Linguistics to form by agglutination.

adj. 

4. united by or as by glue.
5. agglutinative.

• Latin agglūtinātus (past participle of agglūtināre), equivalent. to ag- ag- + glūtin- (stem of glūten glue) + -ātus -ate¹
• 1535–45

ag•glu•tin•a•bil•i•ty  (ə glo̅o̅t′n ə bil′i tē), n.  ag•glu′tin•a•ble, adj. 

Collins Concise English Dictionary © HarperCollins Publishers::

agglutinate verb / əˈɡluːtɪˌneɪt/

1. to adhere or cause to adhere, as with glue
2. to combine or be combined by agglutination
3. (transitive) to cause (bacteria, red blood cells, etc) to clump together

Etymology: 16th Century: from Latin agglūtināre to glue to, from gluten glue

agˈglutinable adjective

agˈglutinant adjective