diff - dirt
- difference
- difference absorption spectrum
- difference amplifier
- difference current
- difference curve
- difference diode
- difference equation
- difference frequency
- difference frequency instantaneous power
- difference frequency rms power
- difference galvanometer
- difference gauge
- difference input
- difference of arcing time
- difference of elevation
- difference of level
- difference of phase
- difference of phase angle
- difference operator
- difference signal
- difference transfer ratio
- difference voltmeter
- difference-differential equation
- differential
- differential action
- differential albedo
- differential ammeter
- differential amplifier
- differential analysis
- differential analyzer
- differential anode resistance
- differential arc lamp
- differential attack
- differential band brake
- differential bevel gear
- differential booster
- differential bridge
- differential calculus
- differential capacitive measuring element
- differential capacitor
