the rate at which energy is drawn from a source that produces a flow of electricity in a circuit; expressed in volts
"The technician measured the battery's emf to ensure it provided enough voltage to power the new sensors without draining too quickly."
Initialism of electromotive force.
"The physics textbook uses both uppercase and lowercase variations, listing them as emf or EMF to represent electromotive force."
Alternative letter-case form of EMF ("electromotive force")
Initialism of Eclipse Modeling Framework.
"The developer spent all afternoon configuring the emf to generate the correct XMI models for the new plugin."