The capacity for work or vigorous activity; vigor; power. The capacity of a physical system to do work. energy. The capacity or power to do work, such as the capacity to move an object (of a given mass) by the application of force. Energy can exist in a variety of forms, such as electrical, mechanical, chemical, thermal, or nuclear, and can be transformed from one form to another.
Freebase (0.00 / 0 votes) Rate this definition: Switch. In electrical engineering, a switch is an electrical component that can break an electrical circuit, interrupting the current or diverting it from one conductor to another.
In the United States politics, party switching is any change in party affiliation of a partisan public figure, usually one who is currently holding elected office.Use of the term party switch can also connote a transfer of held power in an elected governmental body from one party to another.he shifts in American voter demographics beginning in the second half of the 20th century â the southern states from Democratic to Republican, and New England and the West Coast states from Republican to Democratic â have prompted several incumbent federal legislators and many state legislators to switch parties.