Education

• Educational specialist
  Educational Specialist
  The Education Specialist, also referred to as Educational Specialist, Specialist in Education, or Ed.S., is an advanced academic degree in the U.S...
  
   (Ed.S.), a terminal academic degree in the U.S.
• Episcopal Divinity School
  Episcopal Divinity School
  The Episcopal Divinity School is a seminary of the Episcopal Church based in Cambridge, Massachusetts. Known throughout the Anglican Communion for prophetic teaching and action on issues of civil rights and social justice, its faculty and students have been directly involved in many of the social...
  
  , an Episcopal Seminary in Cambridge, Massachusetts
• Evansville Day School
  Evansville Day School
  Evansville Day School is a private, Jr. PreK-12 college-preparatory school located in Evansville, Indiana. It is the only independent coeducational, day school in Evansville and the surrounding region. To accommodate a wide range of grade levels, the school is separated into three divisions:...
  
  , an independent college-prep school in Evansville, Indiana

Politics

• Environmental Defence Society
  Environmental Defence Society
  Environmental Defence Society is a not for profit environmental organisation based in Auckland, New Zealand.It focuses on issues surrounding the Resource Management Act and is made up of resource management professionals who are committed to improving environmental outcomes within New...
  
  , a New Zealand environmental organisation
• European Democrat Students
  European Democrat Students
  European Democrat Students is a pan-European centre-right student and youth political association, being the official studnet wing of the EPP, representing over 1.600.000 students and young people in 43 member organisations from 36 countries in Europe...
  
  , a centre-right political students union
• Evropská demokratická strana, a Czech political party

Science and mathematics

• Electrodynamic suspension
  Electrodynamic suspension
  Electrodynamic suspension is a form of magnetic levitation in which there are conductors which are exposed to time-varying magnetic fields. This induces currents in the conductors that creates a repulsive magnetic field which holds the two objects apart....
  
  , a type of magnetic levitation
• Elliptic divisibility sequence
  Elliptic divisibility sequence
  In mathematics, an elliptic divisibility sequence is a sequence of integers satisfying a nonlinear recursion relation arising from division polynomials on elliptic curves. EDS were first defined, and their arithmetic properties studied, by Morgan Ward...
  
  , a class of integer sequences in mathematics
• Energy-dispersive X-ray spectroscopy
  Energy-dispersive X-ray spectroscopy
  Energy-dispersive X-ray spectroscopy is an analytical technique used for the elemental analysis or chemical characterization of a sample. It relies on the investigation of an interaction of a some source of X-ray excitation and a sample...
  
  , a method used to determine the energy spectrum of X-ray radiation

Medicine

• Ehlers–Danlos syndrome, a group of heritable connective tissue disorders
• Episodic dyscontrol syndrome
  Episodic dyscontrol syndrome
  Episodic dyscontrol syndrome , is a pattern of abnormal, episodic, and frequently violent and uncontrollable social behavior in the absence of significant provocation; it can result from limbic system diseases, disorders of the temporal lobe, or abuse of alcohol or other psychoactive substances.EDS...
  
  , a pattern of episodic, abnormal, and often violent and uncontrollable social behavior
• Excessive daytime sleepiness
  Excessive daytime sleepiness
  Excessive daytime sleepiness is characterized by persistent sleepiness, and often a general lack of energy, even after apparently adequate night time sleep...
  
  , a sleep disorder symptom, especially common in Sleep Apnea and Narcolepsy

Technology

• Earth Departure Stage
  Earth Departure Stage
  The Ares V Earth Departure Stage was a rocket stage which NASA planned to design at its Marshall Space Flight Center in Huntsville, Alabama as part of Project Constellation...
  
  , a rocket stage forming part of NASA's project Constellation
• Electronic Document System
  Electronic Document System
  The Electronic Document System was an early hypertext system - also known as the Interactive Graphical Documents hypermedia system - focused on creation of interactive documents such as equipment repair manuals or computer-aided instruction texts with embedded links and graphics...
  
  , an early graphical hypertext system
• Electronic Datasheet, a standard for field device description in CANopen
  CANopen
  CANopen is a communication protocol and device profile specification for embedded systems used in automation. In terms of the OSI model, CANopen implements the layers above and including the network layer. The CANopen standard consists of an addressing scheme, several small communication protocols...
  
   based automation systems
• Explosive detection
  Explosive detection
  Explosive detection is a non-destructive inspection process to determine whether a container contains explosive material. Explosive detection is commonly used at airports, ports and for border control.-Dogs:...
  
   system, a mechanism for detecting explosive material
• Extended Data Services
  Extended Data Services
  Extended Data Services , is an American standard classified under Electronic Industries Alliance standard CEA-608-E for the delivery of any ancillary data to be sent with an analog television program, or any other NTSC video signal.XDS is used by TV stations, TV networks, and TV program...
  
   (now XDS), a standard for the delivery of metadata on NTSC video signals
• Eau de Solide, perfume-classification, perfume with ~1% aromatic compounds
• Edition Solide, cosmetic, liquid-cold-cream with ~1% aromatic compounds

Business

• Electronic Data Systems
  Electronic Data Systems
  HP Enterprise Services is the global business and technology services division of Hewlett Packard's HP Enterprise Business strategic business unit. It was formed by the combination of HP's legacy services consulting and outsourcing business and the integration of acquired Electronic Data Systems,...
  
  , a technology company founded by Ross Perot, now HP Enterprise Services