Agglomerate/əˈɡlɑːməreɪt/ Definition 1 of 3Pro Tip 1/3Physical Proximity Used when things are not just close, but physically attached or forming a group. A coral reef is an agglomerate of individual coral organisms. Pro Tip 2/3Figurative Use Can be used metaphorically to describe a collection of abstract concepts. His latest book is an agglomerate of ideas from various philosophers. Pro Tip 3/3Neutral Connotation Generally a neutral term; not inherently positive or negative. The museum featured an agglomerate of modern and classical art.