Terms sourced from: http://iupac.org/publications/pac/79/10/1801/

"Definitions of terms relating to the structure and processing of sols, gels, networks, and inorganic-organic hybrid materials (IUPAC Recommendations 2007)", Alemán, J.V.;Chadwick, A.V.;He, J.;Hess, M.;Horie, K.;Jones, R.G.;Kratochvíl, P.;Meisel, I.;Mita, I.;Moad, G.;Penczek, S.;Stepto, R.F.T., Pure and Applied Chemistry 2007, 79(10), 1801