1. A sum total of many heterogeneous things taken together
   "The museum housed a conglomeration of artifacts from various ancient civilizations";
   - aggregate, congeries
    
2. An occurrence combining miscellaneous things into a (more or less) rounded mass
   "The asteroid was a conglomeration of various space debris";
   - conglobation
    
3. A rounded spherical form
   "The snowball grew into a large conglomeration of snow";
   - conglobation

Derived forms: conglomerations

Type of: combine, combining, sphere, sum, sum total, summation

Encyclopedia: Conglomeration