acti - allo
- acting
- actinic light
- actinic photometer
- actinic radiation
- actinic rays
- actinide
- actinide antiferromagnet
- actinide family
- actinide hypothesis
- actinide magnet
- actinide nucleus
- actinide series
- actinism
- actinium
- actinium family
- actinium isotope
- actinium series
- actinium-uranium
- actinium-uranium series
- actinograph
- actinoid group
- actinoid series
- actinoidal compression
- actinoide
- actinoide complex
- actinometer
- actinometry
- actinon
- actinouranium
- actinouranium family
- action
- action field
- action function
- action functional
- action integral
- action potential
- action radius
- action saddle point
- action spectrum
- action turbine
