| Code | Display | Comments |
|---|
 CACT | Catalytic Activity | |
| CNC | Catalytic Concentration | |
| CCRTO | Catalytic Concentration Ratio | |
| CCNT | Catalytic Content | |
| CFR | Catalytic Fraction | |
| CRAT | Catalytic Rate | |
| CRTO | Catalytic Ratio | |
| ENT | Entitic | |
| ENTSUB | Entitic Substance of Amount | |
| ENTCAT | Entitic Catalytic Activity | |
| ENTNUM | Entitic Number | |
| ENTVOL | Entitic Volume | |
| MASS | Mass | |
| MCNC | Mass Concentration | |
| MCRTO | Mass Concentration Ratio | |
| MCNT | Mass Content | |
| MFR | Mass Fraction | |
| MINC | Mass Increment | |
| MRAT | Mass Rate | |
| MRTO | Mass Ratio | |
| NUM | Number | |
| NCNC | Number Concentration | |
| NCNT | Number Content | |
| NFR | Number Fraction | |
| NRTO | Number Ratio | |
| SUB | Substance Amount | |
| SCNC | Substance Concentration | |
| SCRTO | Substance Concentration Ratio | |
| SCNT | Substance Content | |
| SCNTR | Substance Content Rate | |
| SFR | Substance Fraction | |
| SCNCIN | Substance Concentration Increment | |
| SRAT | Substance Rate | |
| SRTO | Substance Ratio | |
| VOL | Volume | |
| VCNT | Volume Content | |
| VFR | Volume Fraction | |
| VRAT | Volume Rate | |
| VRTO | Volume Ratio | |
| ACNC | Concentration, Arbitrary Substance | |
| RLMCNC | Relative Mass Concentration | |
| RLSCNC | Relative Substance Concentration | |
| THRMCNC | Threshold Mass Concentration | |
| THRSCNC | Threshold Substance Concentration | |
| TIME | Time (e.g. seconds) | |
| TMDF | Time Difference | |
| TMSTP | Time Stamp-Date and Time | |
| TRTO | Time Ratio | |
| RCRLTM | Reciprocal Relative Time | |
| RLTM | Relative Time | |
| ABS | Absorbance | |
| ACT | Activity | |
| APER | Appearance | |
| ARB | Arbitrary | |
| AREA | Area | |
| ASPECT | Aspect | |
| CLAS | Class | |
| CNST | Constant | |
| COEF | Coefficient | |
| COLOR | Color | |
| CONS | Consistency | |
| DEN | Density | |
| DEV | Device | |
| DIFF | Difference | |
| ELAS | Elasticity | |
| ELPOT | Electrical Potential (Voltage) | |
| ELRAT | Electrical current (amperage) | |
| ELRES | Electrical Resistance | |
| ENGR | Energy | |
| EQL | Equilibrium | |
| FORCE | Mechanical force | |
| FREQ | Frequency | |
| IMP | Impression/ interpretation of study | |
| KINV | Kinematic Viscosity | |
| LEN | Length | |
| LINC | Length Increment | |
| LIQ | Liquefaction | |
| MGFLUX | Magnetic flux | |
| MORPH | Morphology | |
| MOTIL | Motility | |
| OD | Optical density | |
| OSMOL | Osmolality | |
| PRID | Presence/Identity/Existence | |
| PRES | Pressure (Partial) | |
| PWR | Power (wattage) | |
| RANGE | Ranges | |
| RATIO | Ratios | |
| RDEN | Relative Density | |
| REL | Relative | |
| SATFR | Saturation Fraction | |
| SHAPE | Shape | |
| SMELL | Smell | |
| SUSC | Susceptibility | |
| TASTE | Taste | |
| TEMP | Temperature | |
| TEMPDF | Temperature Difference | |
| TEMPIN | Temperature Increment | |
| TITR | Dilution Factor (Titer) | |
| TYPE | Type | |
| VEL | Velocity | |
| VELRT | Velocity Ratio | |
| VISC | Viscosity | |