say it: uh-GLAH-mur-ayt
agglomerate is a noun, verb and adjective meaning "volcanic rock consisting of large fragments fused together". It carries 4 recorded senses.
volcanic rock consisting of large fragments fused together
a collection of objects laid on top of each other
form into one cluster
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for agglomerate come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.