Taber’s Cyclopedic Medical Dictionary Online + App from F.A. Davis and Unbound Medicine. Find 65,000 medical and nursing definitions. Download to iPhone, iPad, and Android. Explore these free sample topics:
-- The first section of this topic is shown below --
1. A device used to break or open an electrical circuit or to divert a current from one conductor to another.
2. An assistive technology device used as an input device for a microcomputer. Types of adaptive switches include those activated by the tongue, eyelids, voice, movements of the head and trunk, and gross hand movements.