rang - refe
- range
- range of application
- range of forecast
- range of patent
- rank
- rank of theory
- rank-and-file scientist
- ranked data
- rapid information
- rapporteur
- rate
- rate of adoption
- rate of application
- rate of attempts
- rate of breakthrough
- rate of change
- rate of college completion
- rate of diffusion
- rate of growth
- rate of increase
- rate of increment
- rate of innovation
- rate of learning
- rate of obsolescence
- rate of publication
- rate of technological change
- rating
- rating scale
- ratio
- ratio of successive forecasts
- ratiocinate
- rational
- rational belief
- rational cognition
- rational decision
- rational decision making
- rational deduction
- rational explanation
- rational explication
- rational faculty
