activating effect
activating process
activation
activator
active
active antenna
active area
Active balance
active call
active chain
active channel
active component
active computer
active current
active element
active encapsulation
active file
active interferometer
active material
active matrix liquid crytal display
active medium
active network
active node
active station
active substrate
active surface
active task
active test
active time
active transducer