stereochemistry (stÄr'Ä-Å-kÄm'Ä­-strÄ) The branch of chemistry that deals with the spatial arrangements of atoms in molecules and with the chemical and physical effects of these arrangements.
ECU. Short for Electronic Control Unit, the ECU is a name given to a device that controls one or more electrical systems in a vehicle. It operates much like the BIOS does in a computer.
The Epilepsy Monitoring Unit (EMU) is a specialized six-bed inpatient unit at The Johns Hopkins Hospital designed to evaluate, diagnose, and treat seizures in patients of all ages. Epilepsy Monitoring Unit-Information for Patients.