Economic Opportunity Area (EOA)An area or several areas within a designated Massachusetts Environmental Target Area of particular need and priority for economic development.
Economic sectorA subdivision of economic activities based on major purpose (for example, "commercial sector" or "private sector").
economic trait locus(Abbreviation: ETL). A locus influencing a trait that contributes to producer's income.
EconomizerA heat exchanger for recovering heat from flue gases for heating water or air.
EconomyThe way a country manages its money and resources (such as workers and land) to produce, buy, and sell goods and services.
EcoregionA geographically distinct area of land that is characterized by a distinctive climate, ecological features, and plant and animal communities.
EcosystemA complex ecological community or environment forming a functioning whole.
EcotonesThe borders between two different types of ecosystems or communities (e.g., a forest and a grassland) containing characteristic species of each.
EcotourA tour designed to focus on preserving the environment, or to environmentally sensitive areas.
EcotourismTourism “responsible travel to natural areas that conserves the environment and improves the welfare of local people,” according to The International…
Ecotourism certificationPrograms that cover businesses, services, and products that describe themselves as involved in ecotourism.
Ecotox Thresholds (ET)Ecotox Thresholds (ET) are defined as media-specific contaminant concentrations above which there is sufficient concern regarding adverse ecological…
ecotypeA population or a strain of an organism that is adapted to a particular habitat.
ECTA treatment for severe depression and certain mental disorders. A brief seizure is induced by giving electrical stimulation to the brain through…
ecteinascidin 743(ek-TIN-uh-SIDE-in) A substance being studied in the treatment of some types of cancer. It may damage the DNA in cancer cells.
ectocervicalHaving to do with the part of the cervix that protrudes into the vagina and is lined with epithelial cells.
EctodermThe outer of three germ layers of the early embryo that gives rise in later development to the skin, cells of the amnion and chorion, nervous system…
ectomesenchymoma(EK-toh-meh-ZEN-keh-MOH-muh) A rare, fast-growing tumor of the nervous system or soft tissue that occurs in children and young adults.
ectopicAnomalous situation or relation, particularly with respect to pregnancy, where the foetus is implanted outside the uterus.
eculizumab(ek-yoo-LY-zoo-mab) A monoclonal antibody used to prevent red blood cells from being destroyed in patients with paroxysmal nocturnal hemoglobinuria (PNH)…
eczema(EK-zeh-muh) A group of conditions in which the skin becomes inflamed, forms blisters, and becomes crusty, thick, and scaly.
EddyCircular current of water moving against the main current. See recirculation zone.
Edema(eh-DEE-ma) Swelling caused by excess fluid in body tissues.
EdgeThe borders created by a change in the structure or vegetation in a lake. Examples are edges of tree lines, weed lines, and the edges of a drop-off.
EDGE (Enhanced Data GSM Environment)Enhanced Data GSM Environment (EDGE) is a new, faster version of GSM. EDGE is designed to support transfer rates up to 384Kbps and enable the delivery of…
edge busynessIn a video display, distortion that is concentrated at or near the edge of objects, and that is categorized further by its temporal and spatial…
edge deviceAny device, for example a NetCache appliance, that is deployed at the periphery of a LAN and WAN environment to interface traffic from the edge of one…
Edge effectWhere two habitat types join together resulting in increased diversity for vegetation and wildlife.
Edge habitatThe transitional zone where one cover type ends and another begins.
edge matchingAn editing procedure to ensure that all features that cross adjacent map sheets have the same edge locations.
Edge Rules agentAn agent that enables organizations to apply anti-spam-based transport rules to e-mail messages that are sent between an Exchange Server 2007 organization…
Edge SubscriptionThe record of an Edge Transport server that has been subscribed to an Exchange organization and to which the Microsoft Exchange EdgeSync service…
Edge Subscription fileThe XML file that is exported on the Edge Transport server and imported on the Hub Transport server to establish an Edge Subscription. [Exchange 2007]
Edge Transport[server role] An Exchange Server 2007 server role that provides anti-spam and antivirus protection and applies messaging security policies to messages in…
Edge Transport server roleAn Exchange Server 2007 server role that provides anti-spam and antivirus protection and applies messaging security policies to messages in transport…
Edge-Defined Film-Fed Growth (EFG)A method for making sheets of polycrystalline silicon (for solar photovoltaic devices) in which molten silicon is drawn upward by capillary action through…
edge-emitting LEDAn LED that has a physical structure superficially resembling that of an injection laser diode, operated below the lasing threshold and emitting…
Edge-onA descriptor for the appearance of solar facility collector/reflector arrays when viewed at very low vertical angles, such that the viewing angle is at or…
EDGESElectronic Data/Guidelines for Element Survivability.
EdgeSyncA collection of processes that are run on the Exchange Server 2007 Hub Transport server role to establish one-way replication of recipient and…
EdgeSync synchronizationThe task or process that the Microsoft Exchange EdgeSync service performs to propagate data from the Active Directory directory service to the subscribed…
EDI (Electronic Data Interchange)Eliminating forms altogether by encoding the data as close as possible to the point of the transaction; automated business information exchange.
edible vaccineEdible antigen-containing material, that activates the immune system via gut-associated lymphoid tissues.
Edison Electric Institute (EEI)The Edison Electric Institute is an association of electric companies formed in 1933 "to exchange information on industry developments and to act as an…
editTo correct errors within, or modify, a computer file, a geographic data set, or a tabular file containing attribute data.
Edit modeThe state in which you can create or modify a document.
edit-compile-run cycleA common part of the program development process. A source file is created initially and compiled.
editable fieldOn a form, a field whose value is determined by a formula that you write to supply a default value, edit the user's entry, and validate the entry to make…
Editor accessAn access level that allows users to create, read, and edit any documents. Servers can replicate new documents, change existing documents, and, if they…
Editorial LinkSearch engines count links as votes of quality. They primarily want to count editorial links that were earned over links that were bought or bartered.
edrecolomabA type of monoclonal antibody used in cancer detection or therapy. Monoclonal antibodies are laboratory-produced substances that can locate and bind to…
EDTVAbbreviation for extended-definition television.
eduIn a URL, a domain-name suffix indicating an education institution.
EducationFormal education information. For example, schools, universities, colleges, and related activities.
Education (Information Security)Education integrates all of the security skills and competencies of the various functional specialties into a common body of knowledge . . .
Education savings account (ESA)You can put up to $2,000 a year into a Coverdell education savings account (ESA) that you establish in the name of a minor child.
Educational and Cultural AffairsThe Bureau of Educational and Cultural Affairs (ECA) of the U.S. Department of State fosters mutual understanding between the people of the United States…
Educational programmingActivities conducted in partnership with formal education institutions and which seek to meet both the institution’s specific education outcomes and the…
Educational tourA tour designed around an educational activity, such as studying art.
Educational/interpretive signageSimple sign or label that provides basic information to aid visitor in orientation to or understanding of the location.
EDVAbbreviation for essential derivation of varieties.
EEGA recording of electrical activity in the brain. It is made by placing electrodes on the scalp (the skin covering the top of the head), and impulses are…