ExpertGlossary terms starting with E

2,146 terms

exercise key [A] key used exclusively to safeguard communications transmitted over the air during military or organized civil training exercises. [INFOSEC-99]
Exercise price An option's exercise price, also called the strike price, is the price at which you can buy or sell the stock or other financial product that underlies…
exhaustive attack A trial-and-error attempt to violate computer security by systematically attempting to use a very large number of possible passwords or keys.
Exhibit A document or other item introduced as evidence during a trial or hearing.
EXIPC (fka Epoxy) A queuing layer that allows the Internet Information Server (IIS) and store processes (Inetinfo.exe and Store.
Existence value Value people place on simply knowing an area or feature continues to exist in a particular condition.
Existing ground The earth's surface as it is prior to any work. See original ground surface.
existing quality television Synonym [in ITU-T usage] distribution-quality television.
Existing windows The windows existing at the time of designation or windows which have been changed subsequent to designation pursuant to a permit issued by the Commission.
exisulind A drug that is being studied in the treatment and prevention of cancer. It has been shown to cause apoptosis (cell death) in cancerous and precancerous…
EXIT External Interface and Test.
Exit channel. See outlet channel.
Exit conference A discussion following a facility review examination involving examination team members and interested representatives of the water uses, project, and…
Exit Criteria Program specific accomplishments that must be satisfactorily demonstrated before an effort or program can progress further in the current acquisition…
Exit Poll An informal poll taken as people leave the polling place. Exit polls are used to predict the outcome of the election or gather other information before…
Exit Region The region downstream from a wind speed maximum in a jet stream (jet max), in which air is moving away from the region of maximum winds, and therefore is…
exit site (Abbreviation: E site). The ribosome binding site that contains the free tRNA prior to its release.
exit status See "status".
Exjade (EX-jayd) A drug used to treat too much iron in the blood caused by blood transfusions.
EXL Excimer Laser.
Exo Decoy A decoy that matches RV signature exoatmospherically . Exo decoys can use radar and/or optical means to deceive sensors.
exo III See: exonuclease III.
Exoatmospheric Outside the Earths atmosphere; generally considered to be altitudes above 100 km.
Exoatmospheric Reentry Vehicle Interceptor Subsystem (ERIS) OBSOLETE. Interceptor designed to provide functional test validation of GBI.
Exoatmospheric Test Bed (XTB) Flight qualified and range integrated vehicle to support other programs such as GBI-X.
exocrine cancer (EK-soh-krin KAN-ser) A disease in which malignant (cancer) cells are found in the tissues of the pancreas. Also called pancreatic cancer.
exocrine gland An animal gland that secretes through a duct.
exocrine pancreas cell A pancreatic cell that produces enzymes that are secreted into the small intestine.
exodeoxyribonuclease III See: exonuclease III.
Exoerythrocytic stage A stage in the life cycle of the malaria parasite found in liver cells (hepatocytes). Exoerythrocytic stage parasites do not cause symptoms.
exogamy See: outbreeding.
exogenous Produced outside of; originating from, or due to, external causes. Opposite: endogenous.
Exogenous DNA DNA that has been derived from one organism, and is to be introduced into a cell a different species. Also referred to as foreign DNA or heterologous DNA.
exokernel A minimal piece of privileged code, similar to a microkernel but providing a more 'hardware-like' interface to the tasks it manages.
Exolab Core http://www.exolab.org/
Exon A DNA sequence that is ultimately translated into protein. See DNA.
exon amplification A procedure that is used to amplify exons.
Exonerate Removal of a charge, responsibility or duty.
Exonuclease See Nuclease.
exonuclease III (Abbreviation: exo III). An Escherichia coli enzyme that removes nucleotides from the 3' hydroxyl ends of double-stranded DNA.
Exophagic An exophagic mosquito is a mosquito that feeds outdoors.
Exophilic An exophilic mosquito tends to inhabit/rest outdoors. Residual insecticides in buildings are less effective at controlling exophilic mosquitoes.
exopolysaccharide A polysaccharide that is secreted by a micro-organism into the surrounding environment.
Exosphere The upper most layer of the earth's atmosphere; the only layer where atmospheric gases can escape into outer space.
Exothermic A reaction or process that produces heat; a combustion reaction.
Exotic species A non-native species that is introduced into an area.
exotoxin A toxin released by a bacterium into the medium in which it grows.
Expandable Banner A banner ad that can expand to as large as 468 x 240 pixels after a user clicks on it or after a user moves the cursor over the banner.
expanded access trial A way to provide an investigational therapy to a patient who is not eligible to receive that therapy in a clinical trial, but who has a serious or…
Expanded Polystyrene A type of insulation that is molded or expanded to produce coarse, closed cells containing air.
expander A device that restores the dynamic range of a compressed signal to its original dynamic range.
Expansion The increase in volume of a soil mass.
expansion adapter The hardware used to extend a computer's control over a peripheral device. The expansion adapter includes the expansion card, expansion slot, and…
expansion capability The inherent limit for increasing the capacity of a system beyond its installed capacity.
expansion card A printed circuit board that plugs into an expansion slot and extends a computer's control over a peripheral device.
Expansion joint A separation between adjoining parts of a concrete structure which is provided to allow small relative movements, such as those caused by temperature…
expansion slot The slots on the system board in which you insert expansion cards.
Expansion Tank A tank used in a closed-loop solar heating system that provides space for the expansion of the heat transfer fluid in the pressurized collector loop.
Expansion Valve The device that reduces the pressure of liquid refrigerant thereby cooling it before it enters the evaporator coil in a heat pump.
expectant management (ek-SPEK-tunt MA-nij-ment) Closely monitoring a patient's condition but withholding treatment until symptoms appear or change.
Expectation Usually expressed as a percentage, refers to the amount a player can expect to win or lose, statistically.
Expected Measured Loss (EML) The term "Expected Measured Loss" denotes a calculated loss which specifies the end-to-end 1004-Hz loss on a terminated test connection between two…
expected progeny difference (Abbreviation: EPD). The predicted performance of the future offspring of an individual for a particular trait, calculated from measurement(s) of the…
Expected Win Rate The percentage of the total amount wagered that the player can be expected to win or lose over time.
Expedited Appeals The court will expedite or speed up cases involving child custody, Child Protective Act proceedings, termination of parental rights, adoption, and all…
expedited data unit In layered systems, a service data unit that is delivered to a peer entity in the destination open system before the delivery of any subsequent service…
Expense ratio A mutual fund company's cost of doing business. It includes the fund's management fee as stated in the Simplified Prospectus.
experimental (ek-SPER-ih-men-tul) In clinical trials, refers to a drug (including a new drug, dose, combination, or route of administration) or procedure that has…
Experimental and/or Investigational Medical Services A drug, device, procedure, treatment plan, or other therapy which is currently not within the accepted standards of medical care.
experimental drug (ek-SPER-ih-men-tul ...) A substance that has been tested in a laboratory and has gotten approval from the U.S.
Experimental Product An experimental product is in the final stages of testing and evaluation. If the product proves accurate and valuable to users then the next step is to…
experimental station A station utilizing radio waves in experiments with a view to the development of science or technique. This definition does not include amateur stations.
Experimental Use A public use of the invention that having the primary purpose is of testing of the invention. Experimental use is allowed in the U.S.
Expert Document Quality page which links to many non-affiliated topical resources. See also: Hilltop: A Search Engine based on Expert Documents
expert system An artificial intelligence application that uses a knowledge base of human expertise to aid in solving problems Note: The problem-solving capability is…
expert system (ES) A computer system that facilitates solving problems in a given field or application by drawing inference from a knowledge base developed from human…
Expert Systems Software programs, which use artificial intelligence techniques to capture and apply the non-algorithmic knowledge and procedures of human experts.
Expiration cycle Equity and index options expire on a predictable four-month schedule, two of which are determined by the expiration cycle to which the underlying…
Expiration date The date on which an insurance policy expires.
expired Trademark registration is no longer active. The registrant failed to renew the trademark registration at the end of the registration period.
Expired Appropriation An appropriation that is no longer available for new obligation but is still available for disbursement to liquidate existing obligations.
Expiry Date The date when a patent has run its full term and the invention is no longer protected by it.
Explain text Text that provides customers with information about the behavior of a Group Policy setting.
EXPLAN Exercise Plan.
explant A portion of a plant aseptically excised and prepared for culture in a nutrient medium.
explant donor The plant from which an explant has been taken.
explantation The removal of cells, tissues or organs of animals and plants for observation of their growth and development in appropriate culture media.
explicit congestion message A message generated by the network and sent to the user terminal to indicate a congestion condition. [T1.615-1992]
Explicit Coordination A battle management technique which communicates results, decisions or command from one battle manager to another, usually from a higher command to a…
explicit deny An explicit deny results from a statement that has effect=deny, assuming that any stated conditions are met. Example: Deny all requests from Antarctica.
explicit launch permission An Amazon Machine Image launch permission granted to a specific AWS account.
explicit services Services that can be accessed from an application program, via an API, and are generally provided only when requested [POSIX.0].
exploder Synonym mail exploder.
Exploit Excavate in such a manner as to utilize material in a particular vein or layer, and waste or avoid surrounding material.
Exploit Code A program that allows attackers to automatically break into a system.
exploitable channel 1. [A] Channel that allows the violation of the security policy governing an information system (IS) and is usable or detectable by subjects external to…
exploratory surgery (ek-SPLOR-uh-TOR-ee SER-juh-ree) Surgery to look inside the body to help make a diagnosis.
explosion method A technique for the genetic transformation of cells, in which the transgene is driven into the target (plant) cells by the sudden vaporization (effected…
Explosive Deepening A decrease in the minimum sea-level pressure of a tropical cyclone of 2.5 mb/hr for at least 12 hours or 5 mb/hr for at least six hours.
exponential backoff A strategy that incrementally increases the wait between retry attempts in order to reduce the load on the system and increase the likelihood that…