ExpertGlossary terms starting with E

2,146 terms

ENSEMBLE A collection of numerical model results that show slightly different possible outcomes.
Ensemble Forecast Multiple predictions from an ensemble of slightly different initial conditions and/or various versions of models.
Ensemble Hydrologic Forecasting A process whereby a continuous hydrologic model is successively executed several times for the same forecast period by use of varied data input scenarios…
Ensembles Reference to a set of computer models run under the concept of Ensemble Forecasting: multiple predictions from an ensemble of models with slightly…
Ensign valve Earliest type of Reclamation needle valve (named after Reclamation's chief electrical engineer), operated by water pressure from the forebay, and mounted…
ENSO Abbreviation for El Niño-Southern Oscillation, a reference to the state of the Southern Oscillation.
ENSO Diagnostic Discussion The CPC issues the ENSO Diagnostic Discussion around the middle of the month. The discussion addresses the current oceanic and atmospheric conditions in…
ENT doctor A doctor who specializes in treating diseases of the ear, nose, and throat. Also called otolaryngologist.
Entablature A major horizontal member carried by a column(s) or pilaster(s); it consists of an architrave, a frieze, and a cornice.
Entailment (logical implication) In Semantic Web, one of the key inference ideas; a relationship between two pieces of knowledge where the truth of the first piece of knowledge requires…
Enter into employment Enter into employment occurs when workers first make themselves available for work or otherwise come under the control of the employer, such as by waiting…
enteral nutrition A form of nutrition that is delivered into the digestive system as a liquid. Drinking nutrition beverages or formulas and tubefeeding are forms of enteral…
Enteric fermentation A digestive process by which carbohydrates are broken down by microorganisms into simple molecules for absorption into the bloodstream of an animal.
enterostomal therapist (EN-ter-oh-STOH-mul...) A health professional trained in the care of persons with stomas, such as colostomies or urostomies.
enterotoxin A bacterial protein that, following release into the intestine, causes cramps, diarrhoea and nausea.
Enterprise A business, service, or membership organization consisting of one or more establishments under common, direct or indirect, ownership or control.
Enterprise Applications The applications or services that are run within modern enterprise data centers.
Enterprise Architecture Framework for how software, computing, storage and networking systems should integrate and operate to meet the changing needs across an entire business
enterprise bean A J2EE component that implements a business task or business entity and is hosted by an EJB container; either an entity bean, a session bean, or a…
enterprise bean provider An application developer who produces enterprise bean classes, remote and home interfaces, and deployment descriptor files, and packages them in an EJB…
Enterprise Computing Computing to support the operation of an enterprise.
Enterprise Grid An enterprise grid is a collection of interconnected (networked) grid components under the control of a grid management entity.
Enterprise Grid Computing A form of grid computing, specifically within an enterprise, resulting in an enterprise grid that includes commercial enterprise applications as a type of…
enterprise information system The applications that constitute an enterprise's existing system for handling companywide information.
enterprise information system resource An entity that provides enterprise information system-specific functionality to its clients.
Enterprise JavaBeans (EJB) A component architecture for the development and deployment of object-oriented, distributed, enterprise-level applications.
Enterprise JavaBeans Query Language (EJB QL) Defines the queries for the finder and select methods of an entity bean having container-managed persistence.
enterprise search administrator An administrative role that enables a user to administer the entire enterprise search system.
Enterprise User Information (EUI) Email, including attachments, and user files.
Enterprises See Enterprise
Enthalpy A thermodynamic property of a substance, defined as the sum of its internal energy plus the pressure of the substance times its volume, divided by the…
entitlement A Federal program or provision of law that requires payments to any person or unit of government that meets the eligibility criteria established by law.
entity A legally recognized organization.
entity bean An enterprise bean that represents persistent data maintained in a database. An entity bean can manage its own persistence or can delegate this function…
Entity Extraction The ability of an enterprise search platform to parse and recognize informational entities, such as geographic names, personal names, and company names.
entity reference A reference to an entity that is substituted for the reference when the XML document is parsed.
entity relationship diagram A graphical representation of the entities and the relationships between them. Entity relationship diagrams are a useful medium to achieve a common…
ENTR Entire
Entrain To trap bubbles in water either mechanically through turbulence or chemically through a reaction.
Entrained Bed Gasifier A gasifier in which the feedstock (fuel) is suspended by the movement of gas to move it through the gasifier.
Entrainment The incorporation of fish, eggs, larvae, and other plankton with intake water flow entering and passing through a cooling water intake structure and into…
Entrainment Zone A shallow region at the top of a convective boundary layer where fluid is entrained into the growing boundary layer from the overlying fluid by the…
entrance facility The entrance to a building for both public and private network service cables (including antenna transmission lines, where applicable), including the…
entrance point In a building, the point of emergence of telecommunications service cables through an exterior wall, floor slab, or from a rigid metal conduit or…
Entrance recess The recessed opening in the facade leading up to the doorway of a storefront or building entrance.
Entrance Region The region upstream from a wind speed maximum in a jet stream (jet max), in which air is approaching (entering) the region of maximum winds, and therefore…
entrance room In a building, a space in which the joining of inter- and/or intrabuilding telecommunications backbone facilities takes place.
Entrapment The act of inducing a person to commit a crime so that a criminal charge will be brought against him.
Entropy A measure of the unavailable or unusable energy in a system; energy that cannot be converted to another form.
Entry An application to acquire title to public lands.
Entry of judgment After a defendant is sentenced, the clerk enters the judgment of conviction on the docket sheet.
Entry Page See Gateway Page.
Enucleated A cell with its nucleus removed.
Enucleated oocyte (cytoplast) An egg cell from which the nucleus has been removed mechanically.
enucleated ovum Egg cell from which the nucleus has been removed, usually as a preparatory step for nuclear transfer.
enucleation In medicine, the removal of an organ or tumor in such a way that it comes out clean and whole, like a nut from its shell.
enum A Java keyword used to declare an enumerated type.
enumerated type A data type - not directly available in Java - in which symbolic names are used for a sequence of constant numeric values.
envelope The boundary of the family of curves obtained by varying a parameter of a wave. See figure under amplitude modulation.
envelope delay distortion Signal distortion that results when the rate of change of phase shift with frequency over the necessary bandwidth of the signal is not constant.
envelope journaling Envelope journaling differs from message-only journaling and Bcc journaling because it permits you to archive transport envelope information (P1 message…
envelope message overhead There is a small overhead for each journalized message, because the envelope journal message includes a plain text report with the original message…
Envelope Nos. 1, 2, 3 & 4. Four envelopes shall be furnished to each polling place for use in assembling and distributing the precinct election records; the envelopes shall be labeled and addressed as follows (1) “Envelope No. 1,” addressed to the presiding officer of the local canvassing authority; (2) “Envelope No.
enveloped virus (....VY-rus) A virus that has an outer wrapping or envelope. This envelope comes from the infected cell, or host, in a process called "budding off.
Environment All the natural and living things around us. The earth, air, weather, plants, and animals all make up our environment.
Environment Canada The Canadian federal government department responsible for issuing weather forecasts and weather warnings in Canada.
environment variable A mechanism by which some high-level agent such as a user can pass its preferences down to its future offspring (child processes, grandchild processes…
Environmental analysis Systematic process for consideration of environment factors in land management actions.
Environmental Assessment (EA) A public document that analyzes a proposed federal action for the possibility of significant environmental impacts.
environmental control management of the conditions where records are stored, including temperature, humidity, air quality, light, and pests See also climate control.
environmental fault bus (EFB) A storage shelf component that is used to note disk and shelf events, including disk insertion or removal, fan faults, and power supply faults.
Environmental Impact Statement (EIS) A comprehensive study of likely environmental impacts resulting from major federally-assisted projects; statements are required by the National…
Environmental Justice Is based on the principle that all people have a right to be protected from environmental pollution and to live in and enjoy a clean and healthful…
Environmental Justice (EJ) Environmental Justice (EJ) is the fair treatment and meaningful involvement of all people regardless of race, color, national origin, or income with…
Environmental Lapse Rate The rate of decrease of air temperature with height, usually measured with a radiosonde.
Environmental media Soil, water, air, biota, or any other parts of the environment that can contain contaminants.
environmental monitoring unit (EMU) A storage shelf component that is used to note disk and shelf events, including disk insertion or removal, fan faults, and power supply faults.
Environmental Protection Agency (EPA) Environmental Protection Agency (EPA) was established as an independent agency on December 2, 1970 during President Nixon's term in office.
Environmental Resource Inventory (ERI) A listing and description of natural resources and general environmental characteristics of a given geographic area.
Environmental Response Team (ERT) In 1978, the Environmental Response Team (ERT) was established under Section 311 of the Clean Water Act to provide on-site national expert as required by…
Environmental Security A specialized form of physical security that prevents technical penetration, e.g., penetration by waves of electron beams.
Environmental Temperature Sounding An instantaneous or near-instantaneous sounding of temperature as a function of height.
environmental tobacco smoke (en-VY-run-MEN-tul tuh-BA-koh ...) Smoke that comes from the burning of a tobacco product and smoke that is exhaled by smokers.
Environments The media, conditions, and/or physical objects in which a BMD asset is immersed or surrounded.
enzastaurin (en-zuh-STAW-rin) A substance being studied in the treatment of certain types of cancer, including non-Hodgkin lymphoma, breast, colon, lung, ovarian, and…
enzastaurin hydrochloride (en-zuh-STAW-rin HY-droh-KLOR-ide) A substance being studied in the treatment of certain types of cancer, including non-Hodgkin lymphoma, breast, colon…
Enzymatic hydrolysis A process by which enzymes (biological catalysts) are used to break down starch or cellulose into sugar.
enzyme A protein that speeds up chemical reactions in the body.
enzyme bioreactor A reactor in which a chemical conversion reaction is catalysed by an enzyme.
Enzyme Commission number (Abbreviation: EC number). Systematic label which identifies an enzyme in the technical literature.
enzyme electrode A type of biosensor, in which an enzyme is immobilized onto the surface of an electrode.
enzyme immunoassay A range of immunoassay techniques employing enzymes, which includes ELISA.
enzyme kinetics The quantitative characteristics of enzyme reactions.
enzyme stabilization Maintaining the active conformation of an enzyme. This can be achieved in vitro by providing the appropriate chemical environment and cofactors.
enzyme-linked immunosorbent assay See: ELISA.
Enzyme-linked immunosorbent assay (ELISA) This laboratory test is now often used to determine whether mosquito salivary glands are positive for sporozoites.
Enzymes Proteins that control the various steps in all chemical reactions.
EO Elected Office - the national Office or intergovernmental organization of or acting for the Contracting State elected by the applicant under Chapter II of…
Eo ipso By the thing itself.
EO/IR See Electro-Optics Infrared.