What is another word for concretions?
Pronunciation: [kɒŋkɹˈɛʃənz] (IPA) 
Concretions are hard, compact, and often spherical masses of mineral matter formed within sedimentary rocks. Some common synonyms for concretions include clumps, clusters, nodules, balls, and masses. These terms express the idea of a solid, rounded object that has formed within the surrounding rock. Other related synonyms include accretions, agglomerations, and congeries, all of which imply the gradual buildup or accumulation of material over time to form a larger object. Whether used in geology, archaeology, or other fields, synonyms for concretions help describe the many forms and shapes that these fascinating geological formations can take.
