Continuously charging battery operated light that is used during the loss of normal electricity.
Emery
Abrasive material composed of iron oxide and carborundum.
Emery abrasive
Emery is a natural abrasive easily recognized by its distinctive black color.
Emery paper
Paper with a hard abrasive coating.
Eminent domain
Right of the government to condemn private land for public use, as long as fair compensation is paid.
Emission
A discharge of any type.
Emission factor
A measure of the average amount of a specified pollutant or material emitted for a specific type of fuel or process.
Emission standard
A voluntary guideline or government regulation that specifies the maximum rate at which a contaminant can be released from a source.
Emission(s)
A substance(s) or pollutant emitted as a result of a process.
Emissivity
The ratio of the radiant energy (heat) leaving (being emitted by) a surface to that of a black body at the same temperature and with the same area; expressed as a number between 0 and 1.
