domain wall noun2 •An interface separating magnetic domains.A domain wall corresponds to the rotation of the magnetization vector from one magnetic domain to another. — 1998 •A two-dimensional singularity hypothesized in string theory.The simplest soliton is the domain wall with co-dimension one, and the next simplest is the vortex with co-dimension two, whereas the co-dimension three (four) soliton is called monopole (instanton). — 2006 formsdomain walls
