diff - diur
- difference
- difference amplifier
- difference equation
- difference formula
- difference frequency
- difference gauge
- difference in height
- difference method
- difference number
- difference of gaussians
- difference shear
- difference table
- differencing
- differentation operator
- differentiability
- differentiable
- differential
- differential amplifier
- differential annealing
- differential axle
- differential bearer
- differential bevel pinion
- differential bridge
- differential calculus
- differential calorimeter
- differential carrier
- differential circuit
- differential coefficient
- differential computing potentiometer
- differential control
- differential cross
- differential crown wheel
- differential curvature
- differential distillation
- differential drive
- differential drum
- differential duplex system
- differential engine
- differential equation
- differential equation solver
