agglomerate

[v. uh-glom-uh-reyt; adj., n. uh-glom-er-it, -uh-reyt]
verb (used with object), verb (used without object), agglomerated, agglomerating.
1.
to collect or gather into a cluster or mass.
adjective
2.
gathered together into a cluster or mass.
3.
Botany. crowded into a dense cluster, but not cohering.
noun
4.
a mass of things clustered together.
5.
rock composed of rounded or angular volcanic fragments.

Origin:
1675–85; < Latin agglomerātus (past participle of agglomerāre), equivalent to ag- ag- + glomer- (stem of glomus ball of yarn) + -ātus -ate1

agglomerative [uh-glom-uh-rey-tiv, -er-uh-tiv] , adjective
agglomerator, noun
nonagglomerative, adjective
unagglomerative, adjective


1. assemble, amass, accumulate.


1. disperse, scatter.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Collins
World English Dictionary
agglomerate
 
vb
1.  to form or be formed into a mass or cluster; collect
 
n
2.  a confused mass
3.  Compare conglomerate a rock consisting of angular fragments of volcanic lava
 
adj
4.  formed into a mass
 
[C17: from Latin agglomerāre, from glomerāre to wind into a ball, from glomus ball, mass]
 
agglomer'ation
 
n
 
ag'glomerative
 
adj

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Etymonline
Word Origin & History

agglomerate
1680s, from L. agglomeratus, pp. of agglomerare "to wind or add onto a ball," from ad- "to" + glomerare "wind up in a ball," from glomus (gen. glomeris) "ball of yarn," from PIE root *glem-.
Online Etymology Dictionary, © 2010 Douglas Harper
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Example sentences
Better drying techniques need to be found so that particles do not agglomerate.
Coarser-grained soils tend to be free-flowing and do not agglomerate into
  clumps.
Plastic soils tend to stick to screens and other equipment, and agglomerate
  into large clumps.
In aqueous environment tend to agglomerate due to interparticle magnetic and
  van-der-Waals attractions.
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