Electron Affinity: The enthalpy change for the addition of one electron to an atom or ion in the gaseous state. For example, the electron affinity of hydrogen is deltah in the reaction H(g) + e- rightarrow H-( . . . View Full Definition
Electronic Shock Protection (ESP): An electronic circuit that stores the audio data stream from a CD or MD in a memory buffer. If the laser pick-up mistracks, audio still flows from the buffer preventing an interruption.
Electronic Serial Number (ESN): The unique identification number embedded in a wireless phone by the manufacturer. Each time a call is placed, the ESN is automatically transmitted to the base station so the wireless carrie . . . View Full Definition
Electronic Shutter: Shutter system timed by electronic rather than mechanical means.
Electronic Support (ES): Electronic support aims to gain sufficient information about radar sensors to allow an understanding of the radarís characteristics including its role, its method of operation, and its stren . . . View Full Definition
Electronic Ticket: A ' paperless ' airline ticket allowing one to check-in and fly with just proper photo id. What may look like a ticket is actually just a paper passenger receipt. E-tickets cannot be lost, o . . . View Full Definition
Electronic Protection (EP): Electronic protection (ep) aims to ensure continued friendly use of the electromagnetic spectrum despite adversary ea and es.
Electronic Program Guide (EPG): A chronological listing of all available programming covering an extended time period (typically covering a period of a few days). This listing displays on your TV screen.
Electronic Medical Record (EMR): An automated, on-line medical record containing clinical and demographic information about a patient that is available to providers, ancillary service departments, pharmacies, and others inv . . . View Full Definition
Electronic Guns: The device in the CRT that produces the electron beam that is attracted to the phosphors on the face of the CRT: this activates the phosphors thus causing them to emit red, green or blue light.