alternating tremor n.
Hyperkinesia characterized by regular, symmetrical, to-and-fro movements produced by patterned, alternating contraction of muscles and their antagonists.
- Alternating voltage
a voltage that reverses direction in regular cycles. Historical Examples I want to wait until you have seen what the crystal does when an alternating voltage is applied to it. Letters of a Radio-Engineer to His Son John Mills
- Alternating-gradient focusing
noun (physics) a method of focusing beams of charged particles in high-energy accelerators, in which a series of magnetic or electrostatic lenses alternately converge and diverge the beam, producing a net focusing effect and thus preventing the beam from spreading
to interchange repeatedly and regularly with one another in time or place; rotate (usually followed by with): Day alternates with night. to change back and forth between conditions, states, actions, etc.: He alternates between hope and despair. to take turns: My sister and I alternated in doing the dishes. Electricity. to reverse direction or sign […]
- Alternation of heart
alternation of heart alternation of heart n. See mechanical alternation.