crystallization /ˌkɹɪstəlaɪˈzeɪʃən/ noun4 •The act or process by which a substance in solidifying assumes the form and structure of a crystal, or becomes crystallized. •The formation of a solid from a solution, melt, vapour or from a different solid phase •The process or the result of becoming more definite or precise.Bernstein's theories could never have had such an earth-shaking effect if they had not been a crystallization of ideas which were already in the air. — 1978 •The body formed by crystallizing.Silver on precipitation forms arborescent crystallizations. formscrystallizations