ExpertGlossary terms starting with I

2,197 terms

immunodeficiency (IH-myoo-noh-dih-FIH-shun-see) The decreased ability of the body to fight infections and other diseases.
immunodeficiency syndrome (IH-myoo-noh-dih-FIH-shun-see SIN-drome) The inability of the body to produce an immune response.
Immunodeficient Unable to develop a normal immune response to, for example, a foreign substance.
immunodiagnostics See: immunoassay.
Immunofluorescence The detection of antibodies by using special proteins labeled with fluorescein.
immunogen See: antigen.
Immunogenic Relating to or producing an immune response.
immunogenicity The ability to elicit an immune response.
immunoglobulin (IH-myoo-noh-GLOB-yoo-lin) A type of protein that acts as an antibody.
immunohemolytic anemia (IH-myoo-noh-HEE-moh-LIH-tik uh-NEE-mee-uh) A condition in which the body's immune system stops red blood cells from forming or causes them to clump…
Immunohistology Examination of tissues through specific immunostaining techniques.
immunologic fecal occult blood test (IH-myoo-noh-LAH-jik FEE-kul uh-KULT...) iFOBT. A test to check for blood in the stool.
immunological adjuvant (IH-myoo-noh-LAH-jih-kul A-juh-vunt) A substance used to help boost the immune response to a vaccine so that less vaccine is needed.
immunology (IH-myoo-NAH-loh-jee) The study of the body's immune system.
immunomodulation Change in the body's immune system, caused by agents that activate or suppress its function.
Immunophenotyping (IM-yoo-no-FEE-no-tie-ping) A process used to identify cells, based on the types of antigens or markers on the surface of the cell.
immunoprophylaxis The process of active or passive immunization. Active immunization with vaccines leads to long-term protection through mobilizing the organism's own…
immunoscintigraphy An imaging procedure in which antibodies labeled with radioactive substances are given to the person.
immunosensor A biosensor having an antibody as the biological element.
immunostimulant A substance that increases the ability of the immune system to fight infection and disease.
immunosuppression (IH-myoo-noh-suh-PREH-shun) Suppression of the body's immune system and its ability to fight infections and other diseases.
immunosuppressive (IH-myoo-noh-suh-PREH-siv) Describes the ability to decrease the body's immune system responses.
Immunosuppressive drugs Drugs that prevent or interfere with the development of an immunologic response.
immunosuppressive therapy (IH-myoo-noh-suh-PREH-siv THAYR-uh-pee) Therapy used to decrease the body's immune responses, such as drugs given to prevent transplant rejection.
immunosuppressor A substance, an agent or a condition that prevents or diminishes the immune response.
immunotherapy (IH-myoo-noh-THAYR-uh-pee) Treatment to boost or restore the ability of the immune system to fight cancer, infections, and other diseases.
immunotoxin (IH-myoo-noh-TOK-sin) An antibody linked to a toxic substance. Some immunotoxins can bind to cancer cells and kill them.
immutable object An object whose state may not be changed. Objects of the String class are immutable, for instance - their length and contents are fixed once created.
IMOD Israeli Ministry of Defense.
Imodium (ih-MOH-dee-um) A drug used to treat diarrhea. Imodium slows the movement of the muscles in the small intestine to allow more water to be taken out of the…
IMP Integrated Master Plan.
Impact The effect, influence, alteration, or imprint caused by an action.
Impact Fees Costs imposed on new development to fund public facility improvements required by new development and ease fiscal burdens on localities.
Impact Point Prediction (IPP) Prediction of the point on the earths surface where a specific RV will impact, usually specified in terms of the circular error probable.
Impair French term for the Odd Bet.
Impaired Is where an individual circuit exceeds the transmission limits or where the quality of service is diminished.
Impaired Glucose Tolerance (IGT) A condition, not considered a form of diabetes, diagnosed when oral glucose tolerance test results show that a person's blood glucose level falls…
impairment (im-PAYR-ment) A loss of part or all of a physical or mental ability, such as the ability to see, walk, or learn.
impatience The anger you feel when the computer is being lazy. This makes you write programs that don't just react to your needs, but actually anticipate them.
Impeach In a criminal case, to impeach is to challenge the credibility or validity of the testimony of a witness.
impeachment A criminal proceeding against a public official.
Impeachment of a witness An attack on the credibility (believability) of a witness, through evidence introduced for that purpose.
impedance The amount of resistance (or cost) required to traverse a line from its origin node to its destination node or to make a turn (i.e.
impedance matching The connection of an additional impedance to an existing one in order to accomplish a specific effect, such as to balance a circuit or to reduce…
Impedir Obstaculizar, prohibir
Impeller An agitator that is used for mixing the contents of a bioreactor.
imperative programming The style of programming usually associated with languages such as C, Fortran, Pascal and so on.
Impermeable Refers to a rock matrix that water cannot infiltrate.
impersonating [A] form of spoofing. [INFOSEC-99]
impersonation The ability of a thread to run in the security context of a security principal different from the security principal that started the process.
Impervious Not permeable; not allowing liquid to pass through. Resistant to movement of water.
Impervious core. See core.
Impervious material Relatively waterproof soils. Clay, for example, since water will percolate through clay at about one millionth of the rate at which it will pass through…
Impervious Surface Any surface through which rainfall cannot pass or be effectively absorbed. (Roads, buildings, paved parking lots, sidewalks etc.)
Impervious zone. See core.
Imperviousness Overlay Zoning One form of the overlay zoning process. Environmental aspects of future imperviousness are estimated based on the future zoning build-out conditions.
Impinge To collide or strike.
Impingement The entrapment of aquatic organisms on the outer part of an intake structure or against a screening device during periods of intake water withdrawal.
IMPL Impulse- Alternate term for Upper Level System and Shortwave; a general term for any large-scale or mesoscale disturbance capable of producing upward…
IMPLAN Input-output economic model based on economic accounts showing the flow of commodities to industries from producers and institutional consumers.
implant A substance or object that is put in the body as a prosthesis, or for treatment or diagnosis.
Implant radiation (ray dee AY' shun) is a procedure in which radioactive material sealed in needles, seeds, wires, or catheters is placed directly into or near a tumor.
implant radiation therapy (... RAY-dee-AY-shun THAYR-uh-pee) A type of radiation therapy in which radioactive material sealed in needles, seeds, wires, or catheters is placed…
implantable cardioverter-defibrillator (im-PLAN-tuh-bul KAR-dee-oh-VER-ter-dee-FIH-brih-LAY-ter) A small device used to correct a heartbeat that is abnormal (too fast, too slow, or irregular).
implantable pump A small device installed under the skin to administer a steady dose of drugs.
Implantation The attachement of the blastocyst to the uterine lining, and its subsequent embedding there. (Based on SMD)
Implementation How a piece of code actually goes about doing its job. Users of the code should not count on implementation details staying the same unless they are part…
Implementation process Procurement, installation, and implementation of all the components of an Early Warning System; includes inspecting and exercising the system.
implements A Java keyword included in the class declaration to specify any interfaces that are implemented by the current class.
implements clause That part of of a class header that indicates which interfaces are implemented by the class. A class may implement more than one interface.
implicit congestion control A scheme under which user terminals first detect a possible congestion condition by means other than explicit congestion messages, and then take…
Implicit Coordination Many independent battle managers (computers) use the same algorithms to derive a common calculated result.
Implicit price deflator See Implicit price deflator (IPD)
Implicit price deflator (IPD) The ratio of the current-dollar value of a series, such as gross domestic product (GDP), to its corresponding chained-dollar value, multiplied by 100.
implicit services Services that a platform provides without a direct request [POSIX.0].
implicit type conversion Type conversion that does not require a cast. Implicit type conversions typically do not involve any loss of information.
Implied contract A contract not created or evidenced by the explicit agreement of the parties but one inferred by law.
Implied Guarantee The assumption, prevalent in the financial markets, that the federal government will cover GSE debt obligations.
Implied Odds Pot odds that do not exist at the moment, but may be included in your calculations because of bets you expect to win if you hit your hand.
Implied Writedown Calculated based on the under-collateralization of a security, or any shortfall between a security's collateral pool balance and the aggregate unpaid…
Import Data brought into an environment or application which has been exported from another environment or application.
import statement A statement that makes the names of one or more classes or interfaces available in a different package from the one in which they are defined.
Import/Export A storage and content delivery service that accelerates the rate it takes to move large amounts of data into and out of AWS using storage devices that are…
Imported malaria Malaria acquired outside a specific geographic area.
Imports of goods and services Goods and services purchased by U.S. residents from foreign residents.
Impostor A person who submits a biometric sample in either an intentional or inadvertent attempt to claim the identity of another person to a biometric system.
impotence In medicine, refers to the inability to have an erection of the penis adequate for sexual intercourse. Also called erectile dysfunction.
impotent (IM-po-tent) In medicine, describes the inability to have an erection of the penis adequate for sexual intercourse.
Impound account Same or similar to "escrow account." See also "escrow account."
Impoundment A body of water confined by a dam, dike, floodgate or other artificial barrier.
Impoundment (surface) A body of water or sludge confined by a dam, dike, floodgate, or other barrier.
IMPP (Instant Messaging Presence Protocol) The standards-based protocol clients use to interact with an Instant Messaging server.
Impression The number of times your search ad is served to users by search engines.
Impression logging The ability to log all query results thatÃÂ are displayed to the end-user. This means that each query result generates an impression log entry for…
Imprinting A phenomenon in which the disease phenotype depends on which parent passed on the disease gene.
Imprisonment The placement of an individual in a jail or prison.
improper character Synonym illegal character.
improved-definition television (IDTV) Television transmitters and receivers that (a) are built to satisfy performance requirements over and above those required by the NTSC standard and (b)…
Improvement Any building, structure, place, work of art, or other object constituting a physical betterment of real property, or any part of such betterment.
Improvement Patent A patent claiming an invention that is an improvement or modification of an invention claimed in a prior patent.