• synonyms


[adjective, noun ag-ri-git, -geyt; verb ag-ri-geyt]
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  1. formed by the conjunction or collection of particulars into a whole mass or sum; total; combined: the aggregate amount of indebtedness.
  2. Botany.
    1. (of a flower) formed of florets collected in a dense cluster but not cohering, as the daisy.
    2. (of a fruit) composed of a cluster of carpels belonging to the same flower, as the raspberry.
  3. Geology. (of a rock) consisting of a mixture of minerals separable by mechanical means.
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  1. a sum, mass, or assemblage of particulars; a total or gross amount: the aggregate of all past experience.
  2. a cluster of soil granules not larger than a small crumb.
  3. any of various loose, particulate materials, as sand, gravel, or pebbles, added to a cementing agent to make concrete, plaster, etc.
  4. Mathematics. set(def 92).
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verb (used with object), ag·gre·gat·ed, ag·gre·gat·ing.
  1. to bring together; collect into one sum, mass, or body.
  2. to amount to (the number of): The guns captured will aggregate five or six hundred.
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verb (used without object), ag·gre·gat·ed, ag·gre·gat·ing.
  1. to combine and form a collection or mass.
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  1. in the aggregate, taken or considered as a whole: In the aggregate, our losses have been relatively small.
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Origin of aggregate

1375–1425; late Middle English < Latin aggregātus (past participle of aggregāre), equivalent to ag- ag- + greg- (stem of grex flock) + -ātus -ate1
Related formsag·gre·ga·ble [ag-ri-guh-buhl] /ˈæg rɪ gə bəl/, adjectiveag·gre·gate·ly, adjectiveag·gre·gate·ness, nounag·gre·ga·to·ry [ag-ri-guh-tawr-ee, -tohr-ee] /ˈæg rɪ gəˌtɔr i, -ˌtoʊr i/, adjectivehy·per·ag·gre·gate, verb, hy·per·ag·gre·gat·ed, hy·per·ag·gre·gat·ing.re·ag·gre·gate, verb, re·ag·gre·gat·ed, re·ag·gre·gat·ing.sub·ag·gre·gate, adjective, nounsub·ag·gre·gate·ly, adverbun·ag·gre·gat·ed, adjective

Synonyms for aggregate

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Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words for aggregating

amass, collect, sum, assemble, number, mix, amount, combine, heap, accumulate, pile, total, come

Examples from the Web for aggregating

Contemporary Examples of aggregating

Historical Examples of aggregating

British Dictionary definitions for aggregating


adjective (ˈæɡrɪɡɪt, -ˌɡeɪt)
  1. formed of separate units collected into a whole; collective; corporate
  2. (of fruits and flowers) composed of a dense cluster of carpels or florets
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noun (ˈæɡrɪɡɪt, -ˌɡeɪt)
  1. a sum or assemblage of many separate units; sum total
  2. geology a rock, such as granite, consisting of a mixture of minerals
  3. the sand and stone mixed with cement and water to make concrete
  4. a group of closely related biotypes produced by apomixis, such as brambles, which are the Rubus fruticosus aggregate
  5. in the aggregate taken as a whole
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verb (ˈæɡrɪˌɡeɪt)
  1. to combine or be combined into a body, etc
  2. (tr) to amount to (a number)
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Derived Formsaggregately, adverbaggregative (ˈæɡrɪˌɡeɪtɪv), adjective

Word Origin for aggregate

C16: from Latin aggregāre to add to a flock or herd, attach (oneself) to, from grex flock
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for aggregating



c.1400, from Latin aggregatum, neuter past participle of aggregare (see aggregate (adj.)). Related: Aggregated; aggregating.

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"number of persons, things, etc., regarded as a unit," early 15c., from noun use of Latin adjective aggregatum, neuter of aggregatus (see aggregate (adj.)).

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c.1400, from Latin aggregatus "associated," literally "united in a flock," past participle of aggregare "add to (a flock), lead to a flock, bring together (in a flock)," from ad- "to" (see ad-) + gregare "herd" (see gregarious).

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Online Etymology Dictionary, © 2010 Douglas Harper

aggregating in Medicine


  1. Crowded or massed into a dense cluster.
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  1. A total considered with reference to its constituent parts; a gross amount in a mass or cluster.
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  1. To gather into a mass, sum, or whole.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.