electronic surveillance
- n surveillance by electronic means (e.g. television)
electrocardiography
- n diagnostic procedure consisting of recording the activity of the heart electronically with a cardiograph (and producing a cardiogram)
electrocautery
- n application of a needle heated by an electric current to destroy tissue (as to remove warts)
electrochemical series
- n a serial arrangement of metallic elements or ions according to their electrode potentials determined under specified conditions; the order shows the tendency of one metal to reduce the ions of any other metal below it in the series
electrochemistry
- n branch of chemistry that deals with the chemical action of electricity and the production of electricity by chemical reactions