A collection of objects's called polydisperse or polysized if they've a broad range of size, shape and mass characteristics. A sample of objects that've a uniform size, shape and mass distribution are called monodisperse. In practice, polydisperse collections are common because it's relatively easy to create a polydisperse collection of particles, objects or polymers. Monodisperse collections, on the other hand, are extremely uncommon because the technological challenges that must be overcome in… (More on Polydisperse)