- activated mortar
- activated plasma
- activated sludge
- activated state
- activating
- activating agent
- activating effect
- activating object
- activating process
- activation
- activation analysis
- activation area
- activation energy
- activation entropy
- activation heat
- activation log
- activation overvoltage
- activation parameter
- activation record
- activation stack
- activator
- activator ion
- active
- active account
- active address
- active admixture
- active agent
- active analysis
- active anaphylaxis
- active antenna
- active application
- active area
- active asset
- active attitude
- active bond
- active bonds
- active box
- active bus
- active call
- active capital
- active carbon
- active cell
- active chain
- active channel
- active chart
- active circuit
- active circulation
- active coal
- active coating
- active coil
- active color
- active complex
- active component
- active computer
- active control
- active crack
- active crater
- active current
- active debts
- active demand
- active deposit
- active device
- active diffusion
- active dipole
- active directory
- active document
- active dune
- active electrode
- active element
- active emanation
- active encapsulation
- active energy
- active exercise
- active face
- active ferment
- active fermentation
- active field
- active file
- active filer
- active filter
- active filtering
- active force
- active form
- active gateway
- active gauge
- active hydrogen
- active hyperemia
- active illumination
- active immunity
- active impedance
- active index
- active ingredient
- active integrator
- active interferometer
- active investment
- active keyboard
- active lattice
- active layer
- active leaf
- active leg