a lock capable of being opened either by a master key or a change key, each operating its own mechanism.
noun 1. any of several methods for making steel in which the process is begun in one furnace and finished in another.
noun 1. a pair of direct-acting steam pumps so arranged that each pump begins its working stroke just as the other finishes its working stroke, so that the rate of flow of the fluid is nearly continuous.
- Duplex uterus
duplex uterus n. A uterus with a double lumen.
[doo-pli-kuh-buh l, dyoo-] /ˈdu plɪ kə bəl, ˈdyu-/ adjective 1. capable of being .