oligosaccharide — a carbohydrate whose molecules are built from several monosaccharide residues (2 to 10-20) linked by glycoside bonds.
dielectric — term coined by Michael Faraday and used to refer to media that cannot conduct electric current.
sol-gel process — materials (including nanomaterials) technology, assuming preparation of a sol with its subsequent transition into a gel, i.e. a colloidal system consisting of a liquid dispersion medium contained in a spatial grid formed by connected particles of the dispersed phase.
nano- — a prefix in the international system of units (SI metric system) that denotes the 10–9 part of an object (e.g., nanometer : 1 nm = 10–9 m).