From Longman Dictionary of Contemporary Englishagglomerateag‧glom‧er‧ate /əˈɡlɒmərət $ əˈɡlɑː-/ noun [singular, uncountable] technical HEGa type of rock formed from pieces of material from a volcano that have melted togetherOrigin agglomerate (1600-1700) Latin past participle of agglomerare “to pile up”, from ad- “to” + glomus “ball”
