aggregation

US /ˌæɡ.rəˈɡeɪ.ʃən/
UK /ˌæɡ.rəˈɡeɪ.ʃən/
1.

aggregazione

the formation of a number of things into a cluster.

:
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a single dose of aspirin irreversibly inhibits the normal aggregation of platelets
:
aggregate