{{Wiktionary}} '''Aggregation''' may refer to: {{TOC right}} ==Business and economics== * Aggregation problem (economics) * Purchasing aggregation, the joining of multiple purchasers in a group purchasing organization to increase their buying power * Community Choice Aggregation, the joining of geographically contiguous communities to bypass a conventional energy utility monopoly and seek a greener energy service
==Computer science and telecommunication== * Aggregate function, a type of function in data processing * Aggregation, a form of object composition in object-oriented programming * Link aggregation, using multiple Ethernet network cables/ports in parallel to increase link speed * Packet aggregation, joining multiple data packets for transmission as a single unit to increase network efficiency * Route aggregation, the process of forming a supernet in computer networking * Aggregation, a process by which Australian country television markets were combined in the late 1980s and 1990s; see Regional television in Australia
==Natural sciences and statistics== * Aggregation (ethology), any gathering of organisms * Aggregation of soil granules to form soil structure * Particle aggregation, direct mutual attraction between particles (atoms or molecules) via van der Waals forces or chemical bonding * The accumulation of platelets to the site of a wound to form a platelet plug or a thrombus * Flocculation, a process where a solute comes out of solution in the form of floccules or flakes * Overdispersion or statistical aggregation, where the variance of a distribution is higher than which we expect. * Aggregation pheromone * Protein aggregation, the aggregation of mis-folded proteins
==Other uses== * Aggregation (linguistics), a merging of syntactic constituents * ''Aggregation'' (magazine), a 2010–2012 Canadian online magazine
== See also == * Aggregate (disambiguation) * Aggregator (disambiguation), a web site or computer software that aggregates syndicated web content * Agrégation, in French-speaking countries, higher-level competitive examinations for teachers and professors * :Category:Aggregation-based digital libraries, digital libraries that are primarily based on aggregation or harvesting of other digital libraries or repositories * Composition (disambiguation) {{disambiguation}}