The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- GrueneisenParamter (0 members)
- PowerControlledProcess (1 member)
- NearNeutralElectrolyte (4 members)
- SampleInspection (0 members)
- LR12 (0 members)
- Cementing (0 members)
- PerMetreSteradian (0 members)
- ChargeNumber (1 member)
- CalciumSulfide (0 members)
- Mercury (0 members)
- IonomerCompound (2 members)
- Supercapacitor (2 members)
- MassNumber (0 members)
- UnsignedShortData (1 member)
- MegaJoulePerCubicMetre (0 members)
- PolyethyleneGlycol (0 members)
- BatteryTest (1 member)
- LeadII_IVOxide (0 members)
- ConstantPowerCharging (0 members)
- ManganeseDioxide (0 members)
- NickelSaltCompound (18 members)
- CoulombPerKilogramSecond (0 members)
- Gustatory (0 members)
- Pre-activation strategy (0 members)
- NewtonMetrePerMetre (0 members)
- NuclearRadius (0 members)
- ObjectiveProperty (6 members)
- WorkpieceForming (2 members)
- CadmiumBasedElectrode (0 members)
- AmperePerSquareMetreSquareKelvin (0 members)
- CoulombPerSquareCentiMetre (0 members)
- HexaFluoroPhosphate (0 members)
- ScalarData (0 members)
- CalciumTrifluoromethanesulfonyloxalatoborate (0 members)
- AverageEnergyLossPerElementaryChargeProduced (0 members)
- MicroGramPerCubicMetre (0 members)
- ElectrochemicalPlot (6 members)
- NanoWatt (0 members)
- MassPerSquareLengthSquareTimeUnit (5 members)
- SquareCentiMetreSecond (0 members)
- RhodiumSymbol (0 members)
- IterativeWorkflow (1 member)
- VoltPerSecond (0 members)
- VacuumMagneticPermeability (0 members)
- AmphotericCompound (5 members)
- GrayPerSecond (0 members)
- NonMetalOxide (1 member)
- Rate (2 members)
- Air Velocity Measurement (0 members)
- Layer thickness wet electrode (0 members)