self-ˈchanging, ppl. a.
1. [self- 1 f.] Causing a change in the self.
| 1865 Grote Plato I. i. 5 A self-changing and self-developing force. |
2. [self- 4.] Of a gearbox: preselective.
| 1930 [see fluid flywheel s.v. fluid n. 3]. 1939 Country Life 11 Feb. p. xxx/3 The self-changing gear box and the special anti-snatch Armstrong Siddeley transmission. |