dissymmetryPronunciation: /dɪˈsɪmɪtri/Definition of dissymmetry noun (plural dissymmetries) [mass noun] lack of symmetry. technical the symmetrical relation of mirror images, the left and right hands, or crystals with two corresponding forms. Derivatives dissymmetric adjective dissymmetricalPronunciation: /-ˈmɛtrɪk(ə)l/ adjective dissymmetry in other Oxford dictionaries Definition of dissymmetry in the US English dictionary