wedgelet noun3 •A small wedge. •One of a set of wedge-like structures (barometric ridges) that compose a substorm current wedge.If so, each wedgelet in the magnetotail should contain an asymmetric pair of FACs, as illustrated in Figure 19.9b (adapted from Liu et al. [2015]). — 2018 •A kind of geometrical wavelet used in image processing. formswedgelets