The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Objective (6 members)
- MolecularPartitionFunction (0 members)
- Rubidium (0 members)
- NickelIISulfite (0 members)
- ChargingEnergy (0 members)
- Voltmeter (0 members)
- PseudoOpenCircuitVoltageMethod (0 members)
- Data (2 members)
- AbsoluteActivity (3 members)
- HalfWavePotential (0 members)
- CopperIIFluoride (0 members)
- MobilityRatio (0 members)
- Multiplication (0 members)
- MixedTiling (2 members)
- Pico (0 members)
- Karl Fischer Titration (0 members)
- HectoCoulomb (0 members)
- Verifying (0 members)
- ReshapeManufacturing (7 members)
- DoubleLayer (0 members)
- ReactionSintering (0 members)
- MilliMetrePerKelvin (0 members)
- PhaseVelocity (0 members)
- CalciumAtom (0 members)
- MagnesiumTrifluoromethanesulfonyloxalatoborate (0 members)
- Cycling tests (0 members)
- NanoMolePerCubicCentiMetrePerHour (0 members)
- TechnologyProcess (3 members)
- BerylliumHydroxide (0 members)
- Carbon black agglomerate size (after pre-mixing) (0 members)
- SandMolds (0 members)
- Thermal Imaging (0 members)
- OSW2c07a73184f948839e582bc073abda29 (2 members)
- Krypton (0 members)
- WeightPercent (0 members)
- MassPerLengthTimeUnit (3 members)
- VoltPerSquareMetre (0 members)
- Status Enumeration (2 members)
- LandeFactor (0 members)
- SurfaceB2C3 (0 members)
- InitialCondition (0 members)
- P45173225 (0 members)
- ManganeseAtom (0 members)
- PotassiumIodide (0 members)
- HeliumAtom (0 members)
- MegaJoulePerKelvin (0 members)
- TetraFluoroBorate (0 members)
- SodiumCarbonate (0 members)
- ActivePower (0 members)
- StainlessSteel (0 members)