(ˌpɒlɪdɪˈspɜːsɪtɪ) n (Chemistry) chem the state of being polydisperse
polydispersity
polydispersity
[¦päl·i·di′spər·səd·ē] (chemistry) Molecular-weight nonhomogeneity in a polymer system; that is, there is some molecular-weight distribution throughout the body of the polymer.