An anomalous, shapeless form, without crystalline structure. Amorphous materials have no sharply defined melting point, and surfaces of pieces that break have undulating surfaces like those of lumps of broken glass or of resin, both of which are examples of amorphous materials.Example: Louise Bourgeois (French-American, 1911-), Quarantania, 1941, seven pine elements on a wood base, 84 3/4 x 31 1/4 x 29 1/4 inches (215.3 x 79.4 x 74.3 cm), Whitney Museum of American Art, NY. See feminism and feminist art and sculpture.Also see biomorphic form, concretion, and regular.