[verb uh-glom-uh-reyt; adjective, noun uh-glom-er-it, -uh-reyt]
  1. gathered together into a cluster or mass.
  2. Botany. crowded into a dense cluster, but not cohering.
  1. a mass of things clustered together.
  2. rock composed of rounded or angular volcanic fragments.

Origin of agglomerate

1675–85; < Latin agglomerātus (past participle of agglomerāre), equivalent to ag- ag- + glomer- (stem of glomus ball of yarn) + -ātus -ate1
Related formsag·glom·er·a·tive [uh-glom-uh-rey-tiv, -er-uh-tiv] /əˈglɒm əˌreɪ tɪv, -ər ə tɪv/, adjectiveag·glom·er·a·tor, nounnon·ag·glom·er·a·tive, adjectiveun·ag·glom·er·a·tive, adjective

Synonyms for agglomerate

Antonyms for agglomerate Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for agglomerator


verb (əˈɡlɒməˌreɪt)
  1. to form or be formed into a mass or cluster; collect
noun (əˈɡlɒmərɪt, -ˌreɪt)
  1. a confused mass
  2. a rock consisting of angular fragments of volcanic lavaCompare conglomerate (def. 2)
adjective (əˈɡlɒmərɪt, -ˌreɪt)
  1. formed into a mass
Derived Formsagglomeration, nounagglomerative, adjective

Word Origin for agglomerate

C17: from Latin agglomerāre, from glomerāre to wind into a ball, from glomus ball, mass
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 agglomerator



1680s, from Latin agglomeratus, past participle of agglomerare "to wind or add onto a ball," from ad- "to" (see ad-) + glomerare "wind up in a ball," from glomus (genitive glomeris) "ball of yarn," from PIE root *glem-. Related: Agglomerated; agglomerating.

Online Etymology Dictionary, © 2010 Douglas Harper