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aggregation

[ag-ri-gey-shuh n] /ˌæg rɪˈgeɪ ʃən/
noun
1.
a group or mass of distinct or varied things, persons, etc.:
an aggregation of complainants.
2.
collection into an unorganized whole.
3.
the state of being so collected.
4.
Biology, Ecology. a group of organisms of the same or different species living closely together but less integrated than a society.
Origin
1540-1550
1540-50; < Medieval Latin aggregātiōn- (stem of aggregātiō); see aggregate, -ion
Related forms
aggregational, adjective
reaggregation, noun
subaggregation, noun
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Word Origin and History for subaggregation

aggregation

n.

early 15c., from Middle French agrégation or directly from Medieval Latin aggregationem (nominative aggregatio), noun of action from past participle stem of Latin aggregare (see aggregate (adj.)).

Online Etymology Dictionary, © 2010 Douglas Harper
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subaggregation in Medicine

aggregation ag·gre·ga·tion (āg'rĭ-gā'shən)
n.
A massing together or clustering of independent but similar units, such as particles, parts, or bodies.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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