The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- TotalMassStoppingPower (0 members)
- ThermalConductivityDimension (0 members)
- MeasurementResult (0 members)
- Elementary (0 members)
- AirVehicle (0 members)
- TransportEfficiency (0 members)
- ElectroanalyticalTechnique (0 members)
- IsentropicCompressibility (0 members)
- Determination (0 members)
- R4680 (0 members)
- AreaPerTimeDimension (0 members)
- LiClO4 (0 members)
- VanadiumSymbol (0 members)
- Thermocell (0 members)
- FaradaysFirstLawOfElectrolysis (0 members)
- PerAreaDimension (0 members)
- Deci (0 members)
- GITT (0 members)
- NonAqueousMetallicFlowBattery (0 members)
- WikiFile (1 member)
- Container (0 members)
- ElectricCurrentDensityDimension (0 members)
- MercurySymbol (0 members)
- PlatinumAtom (0 members)
- NeutralElectrolyteZincAirBattery (0 members)
- CeriumAtom (0 members)
- ActivityOfSolute (0 members)
- SpentElectricBattery (0 members)
- IntrinsicCarrierDensity (0 members)
- LithiumCarbonMonofluorideBattery (0 members)
- SICoherentDerivedUnit (0 members)
- Service (0 members)
- PressurePerTemperatureDimension (0 members)
- ElectrochemicalWindow (0 members)
- GasMixture (0 members)
- PseudoscalarMeson (0 members)
- IonActivity (0 members)
- Heat (0 members)
- RelativePermittivity (0 members)
- Participant (0 members)
- ElectroactiveMolecularEntity (0 members)
- FundamentalReciprocalLatticeVector (0 members)
- Voltmeter (0 members)
- NaturalProcess (0 members)
- PotentiometricSelectivityCoefficient (0 members)
- BifunctionalAirElectrode (0 members)
- GFactorOfNucleusOrNuclearParticle (0 members)
- Punching (0 members)
- ElectrochemicalPotential (0 members)
- AmountConductivityDimension (0 members)