acti - allo
- acting face
- actinic
- actinic light
- actinic rays
- actinism
- actinoelectricity
- actinogram
- actinometer
- actinometry
- actinomorphism
- action
- action at a-distance
- action current
- action entry
- action game
- action generator
- action logic system
- action of map
- action potential
- action replay
- action research
- action scene auto rewind
- action spike
- action statement
- action stub
- action translator
- action-oriented management report
- action-translation system
- actioner
- actions palette
- activate
- activated cathode
- activated plasma
- activation
- activation analysis
- activation anneal
- activation area
- activation detector
- activation energy
- activation record
