ExpertGlossary terms starting with D

2,757 terms

Deep Seepage Infiltration which reaches the water table.
deep space Space at distances from the Earth equal to or greater than 2 × 106 kilometers. [NTIA] [RR]
Deep Space (DS) The region of outer space at altitudes greater than 3,000 nautical miles (about 5,600 kilometers) above the earths surface.
Deep submitting submitting URLs of pages deep in your site to the search engines. For example, if a webmaster of 200-page website submits each of those 200 pages.
Deep well A well whose pumping head is too great to permit use of a suction pump.
Deep-cycle battery A battery with large plates that can withstand many discharges to a low state of charge.
Deep-Draft Ocean-going Vessels (Explanation below is from Treasury Regulations §48.4042-3) In general: Under section 4042(c)(1), there is no tax imposed by section 4042(a) if: the…
Deepening A decrease in the central pressure of a surface low pressure system. The storm is intensifying.
deeply depressed cladding fiber An optical fiber construction, usually a single-mode fiber, that has an outer cladding of approximately the same refractive index as the core, and an…
deepwater an ocean water mass with relatively uniform temperature, salinity, and density, found near the bottom of the ocean.
deer-hair bug A floating fly-rodding lure made from hollow deer hair and used principally for bass and panfish.
DEET N,N-diethylmetatoluamide, an ingredient of insect repellents.
DEF (1) Defense. (2) Demilitarization Enterprise Fund.
Defamation That which tends to injure a person's reputation. See libel and slander.
Default Default occurs when a debtor is unable to meet the legal obligation of debt repayment, one form of which is the failure to promptly pay interest or…
default ACL An ACL which is used in determining the initial discretionary access control information for objects created within a directory [POSIX.6].
default address list An address list that is automatically created based on the values of specific attributes of Active Directory objects.
Default APR See penalty APR.
default deny The default result from a policy in the absence of an allow or explicit deny.
default initial value The default value of any variable not explicitly initialized when it is declared.
default judgment A judgment rendered because of the defendants failure to answer or appear.
default label The destination for all values used in a switch statement expression that do not have explicit case labels. A default label is optional.
Default Rate The annualized rate at which the loans underlying a security have defaulted. Also known as the Conditional Default Rate, or CDR.
default value formula The formula that lets you set an initial value for an editable field.
default version The version selected when a particular version is not specified.
default view The view displayed the first time you open an application.
DEFCON Defense Readiness Conditions.
Defective Service Unless the specific tasks required for service are done properly, there is defective service and the Court does not have jurisdiction or power to hear the…
defective virus A virus that, by itself, is unable to reproduce when infecting its host cell, but that can grow in the presence of another virus.
Defendant An individual (or business) against whom a lawsuit is filed.
Defendant/Respondent The party (a person, a partnership, or a corporation) against whom the case is brought.
Defended area coverage Defended Asset List (DAL) The geographical region that the BMDS can protect from ballistic missile attacks with a specified level of probability of negation.
Defended Asset List (DAL) A ranked listing of facilities, forces, and national political items that require protection from attack or hostile surveillance.
Defensa propia La protección de los bienes propios y de sí mismo contra cualquier daño que intente hacerle otra persona.
Defense Acquisition Board (DAB) The senior DoD acquisition review board chaired by the Under Secretary of Defense for Acquisition.
Defense Acquisition Board Committee Advisory review groups subordinate to the Defense Acquisition Board. The Under Secretary of Defense for Acquisition determines the number of Committees.
Defense Acquisition Executive (DAE) The principal advisor to the Secretary of Defense on all matters pertaining to the Department of Defense Acquisition System.
Defense Acquisition Executive Summary (DAES) The DAEs principal mechanism for tracking programs between milestone reviews. Includes programs subject to the Selected Acquisition Report (SAR), and any…
Defense Communications System (DCS) Department of Defense long-haul voice, data, and record traffic system which includes the Defense Data Network, Defense Satellite Communications Systems…
Defense Data Network (DDN) A component of the Defense Communications System used for switching Department of Defense automated data processing systems. [JP 1-02]
Defense Employment Option (DEO) Engagement strategy provided to USSPACECOM component forces to achieve specific military objectives against a ballistic missile attack.
Defense Enterprise Program (DEP) An Acquisition program designed to streamline the acquisition process by waiver of selected regulatory requirements.
Defense In-Depth Locating mutually supportive defense positions in such a manner as to absorb and progressively weaken an attack, prevent initial observations of the…
Defense Meteorological Satellite Program (DMSP) Satellites designed to meet unique military requirements for weather information.
Defense of property Affirmative defense in criminal law or tort law where force was used to protect one's property.
Defense Planning and Resources Board (DPRB) A board, chaired by the Deputy Secretary of Defense, established to facilitate decision making during all phases of the planning, programming, and…
Defense Planning Guidance (DPG) Document issued by SECDEF to DoD components providing strategic framework for developing the Service POMs.
Defense Priority and Allocation System (DPAS) The implementation of a statutory requirement where contracts in support of national defense must be accepted and performed on a priority basis over all…
Defense Readiness Conditions (DEFCON) A uniform system of progressive alert postures for use between the Chairman of the Joint Chiefs of Staff and the commanders of unified and specified…
Defense Satellite (DSAT) Weapon A device that is intended to defend satellites by destroying attacking ASAT weapons.
Defense Satellite Communications Systems (DSCS) Advanced communications satellites in synchronous orbit around the earth. Provides high-capacity, super high-frequency (SHF) secure voice and data links…
Defense Support Program (DSP) A system of satellites in geo-stationary orbits, fixed and mobile ground processing stations, one multi-purpose facility, and a ground communications…
Defense Suppression Temporary or transient degradation of the performance of a defensive system below the level needed to fulfill its mission objectives, by an opposing force.
Defense Switched Network (DSN) A component of the Defense Communications System that handles Department of Defense voice, data, and video communications.
defense table The table where the defense lawyer sits with the defendant in the courtroom.
Defense Tier The arranging of a defensive system to correlate with the phases of a ballistic missile trajectory; i.e., boost, post-boost, midcourse, and terminal.
Defensive Counter Measures (DCM) Actions taken to eliminate an ASAT attack.
Defensive Publication Publication of the abstract of the technical disclosure of a pending patent application if the applicant waived his or her rights to an enforceable patent.
Defensive security Defensive securities tend to remain more stable in value than the overall market, especially when prices in general are falling.
Defensive Technologies Study Team (DTST) A committee, generally known as the Fletcher Panel after its Chairman, appointed by (former) President Reagan to investigate the technologies of potential…
deferasirox (deh-FER-uh-SEER-ox) A drug used to treat too much iron in the blood caused by blood transfusions.
deferoxamine An iron-chelating agent that removes iron from tumors by inhibiting DNA synthesis and causing cancer cell death.
Deferred Annuity A deferred annuity contract allows you to accumulate tax-deferred earnings during the term of the contract and sometimes add assets to your contract over…
deferred enforcement A stage of deployment that allows a noncompliant computer full access to the network until a date and time after which network access becomes restricted.
Deferred Payment A payment postponed until a future date.
Deferred Payments loan payments that are authorized to be postponed as part of a workout process to avoid foreclosure.
Defervescence The reduction of a patient's abnormally elevated temperature into the normal range.
defibrotide A substance that is being studied in the prevention of veno-occlusive disease, a rare complication of high-dose chemotherapy and stem cell transplantation…
deficiency (dih-FIH-shun-see) In medicine, a shortage of a substance (such as a vitamin or mineral) needed by the body.
Deficiency Verification Analysis (DVA) This analysis verifies the existence or non-existence of Safety of Dams (SOD) deficiencies at the dam.
Deficient Incomplete; defective; not sufficient in quantity or force.
deficit The result of the government taking in less money than it spends.
deficit (surplus) The amount by which outlays exceed receipts in a given fiscal period. (A surplus would be the amount by which receipts exceed outlays.)
Definable Reply-To Address When you send an email and the recipient clicks "reply," normally the email address that the message was sent from will automatically be used.
defined 1. Fixed conditions of medium, environment and protocol for growth. 2. Precisely known and stated elements of a tissue culture medium.
Defined Benefit Pension Plan A pension plan by which an employer holds and invests pooled funds for all participating employees together, and the employer guarantees a fixed amount of…
Defined Benefit Plan A defined benefit plan - popularly known as a pension - provides a specific benefit for retired employees, either as a lump sum or as income for the rest…
defined class A class that has at least one set of necessary and sucient conditions is known as a Defined Class; they have a definition, and any individual that…
Defined Contribution Pension Plan A pension plan by which an employer or its agent maintains a separate account for each participating employee.
Defined Contribution Plan In a defined contribution retirement plan, the benefits - that is, what you can expect to accumulate and ultimately withdraw from the plan - are not…
Definiteness A characteristic of a patent claim in which claim language makes the scope of the claim clear to a person skilled in the art to which the invention…
definition A declaration that reserves storage (for data) or provides implementation (for methods). See also declaration.
definitive treatment (deh-FIH-nih-tiv TREET-ment) The treatment plan for a disease or disorder that has been chosen as the best one for a patient after all other choices have…
Deflagration To burn with sudden and startling combustion. Describes explosion of black powder, as opposed to the more rapid detonation of dynamite.
Deflation A condition of decreasing prices. Deflation is generally measured by the Consumer Price Index.
Deflect A decrease in the vertical diameter of a flexible pipe.
Deflection Upstream or downstream movement of a dam or dike.
Deforestation Those practices or processes that result in the conversion of forested lands for non-forest uses.
Deformation Change in shape or size.
Deformation Zone The change in shape of a fluid mass by variations in wind, specifically by stretching and/or shearing.
Deformed Ice A general term for ice which has been squeezed together and forced upwards and downwards in places.
DEFSMAC Defense Special Missiles and Astronautics Center, Ft. Meade, MD.
Defunct A corporation no longer operative; having ceased to exist.
degauss To remove a residual magnetic field from a magnetized object, usually by introducing much stronger and gradually diminishing magnetic fields of…
degaussing [A] procedure that reduces the magnetic flux to virtual zero by applying a reverse magnetizing field. Synonym demagnetizing. [INFOSEC-99]
degeneracy The specification of one amino acid by more than one codon. It arises from the inevitable redundancy resulting from the 64 possible codons encoding only…
degeneration 1. Changes in cells, tissues or organs due to disease. 2. The reduction in size or complete loss of organs during evolution.
degenerative disease (dih-JEH-neh-ruh-tiv dih-ZEEZ) A disease in which the function or structure of the affected tissues or organs changes for the worse over time.
Degradable See biodegradable.
Degradation Process wherein the elevation of streambeds, sandbars, and flood plains is lowered by erosion. The opposite of aggradation.