̷ ̷ˌ ̷ ̷ ̷ ̷ˈāshən noun
( -s )
1. : the action or process of uniting or adhering : an agglutinated condition
the agglutination of foreign bodies
2. : a mass or group formed by the union of separate elements
a boundless agglutination of streets, dramshops, and low buildings — A.J.Liebling
3. : the formation of derivative or compound words by putting together constituents of which each expresses a single definite meaning (as in Wishram, a Chinook dialect, in which ačimlúda “he will give it to you” has the constituents a- “future”, -č- “he”, -i- “him”, -m- “thee”, -l- “to”, -ud- “give”, and -a “future”, as contrasted with Latin, in which the -o of amo “I love” expresses the meanings of first person, singular number, present tense, active voice, and indicative mood)
4. : a reaction in which particles (as red blood cells, bacteria, virus particles, or rickettsiae) suspended in a liquid collect into clumps or floccules with loss of motility in the case of flagellated or ciliated organisms and which occurs when the suspension is treated with certain substances that combine with the surface of the particles — see agglutination test , cross agglutination