| Represents properties specifying the emissivity of a thing. The emissivity of a material (usually written e) is the ratio of energy radiated to energy radiated by a black body at the same temperature. It is a measure of a material's ability to absorb and radiate energy. |
| •owl:Thing |
| •SpatioTemporalThing |
| •Quality |
| •PhysicalQuality |
| •ElectromagneticRadiationRelatedQuantity |
| •Emissivity |