Turn+upside+down
131invert — in•vert v. [[t]ɪnˈvɜrt[/t]] adj., n. [[t]ˈɪn vɜrt[/t]] v. t. 1) to turn upside down 2) to reverse in position, order, direction, or relationship 3) to turn inward or back upon itself 4) to turn inside out 5) chem. to subject to chemical inversion …
132inversion — 1. A turning inward, upside down, or in any direction contrary to the existing one. 2. Conversion of a disaccharide or polysaccharide by hydrolysis into a monosaccharide; specifically, the hydrolysis of sucrose to d glucose and d fructose; so… …