The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- LorenzNumberUnit (0 members)
- OppositeTerminalCylindrical (0 members)
- GalliumOxide (0 members)
- WattPerSquareMetrePerMetrePerSteradian (0 members)
- ElectrochemicalPhenomenon (17 members)
- PerSecondSquareMetre (0 members)
- PerTeslaSecond (0 members)
- OsmoticPressure (0 members)
- Roll/Stack (0 members)
- ZincCyanide (0 members)
- ComputerLanguage (6 members)
- ResponseTimeAtAnISE (0 members)
- PerMetre (0 members)
- ElectricDipoleMoment (0 members)
- Administrative process (1 member)
- Ablation (2 members)
- Mudrib (0 members)
- OSW1a40459e10d849b3bb8cc3595fb1d0bb (2 members)
- Coulomb (0 members)
- ISQBaseQuantity (0 members)
- LatticePlaneSpacing (0 members)
- SpinQuantumNumber (0 members)
- OSW1a6ddb1349ff430597a1d1458d51c066 (2 members)
- MilliGramPerSecond (0 members)
- MetallicPowderSintering (0 members)
- ElectricCurrentPerUnitEnergyUnit (1 member)
- NMTOKENData (0 members)
- SlowingDownDensity (0 members)
- HardwareManufacturer (0 members)
- DepthOfDischarge (0 members)
- PermanentLiquidPhaseSintering (0 members)
- HassiumAtom (0 members)
- PascalPerKelvin (0 members)
- Coulometry (4 members)
- Hard case: Speed (0 members)
- Case (4 members)
- AlgebraicExpression (2 members)
- R46800 (0 members)
- ElectroSinterForging (0 members)
- Main Quantity Property (8 members)
- BariumAtom (0 members)
- MaximumPulseChargingCurrent (0 members)
- AluminiumAcetate (0 members)
- VectorMeson (0 members)
- Determiner (2 members)
- Observed (1 member)
- OSW1b8264a5af7b5230925479cda8d7d872 (1 member)
- CentiNewton (0 members)
- CoulombPerKilogram (0 members)
- Temperature (drying) (0 members)