agglomerates
ag-glom-er-ates
noun
A mass of fragments, especially volcanic rock, cemented together.
"Geologists studied the ancient volcanic agglomerates."
verb
Forms or collects into a coherent, often rounded, mass.
"Fine dust particles agglomerate on surfaces."
Thesaurus
Synonyms: agglomerate, cumulus, cumulation, heap, pile, mound, agglomerated, clustered, agglomerative, collective