Modified homogeneous earthfill damA homogeneous earthfill dam that uses pervious material specially placed in the embankment to control seepage. See embankment dam.
Modified Mercalli scaleAn earthquake intensity scale which has twelve divisions ranging from I (not felt by people) to XII (nearly total damage).
modified radical mastectomy(... RA-dih-kul ma-STEK-toh-mee) Surgery for breast cancer in which the breast, most or all of the lymph nodes under the arm, and the lining over the…
modifierSee "statement modifier", "regular expression modifier", and "lvalue modifier", not necessarily in that order.
modifying geneA gene that affects the expression of some other gene.
MODILSee Manufacturing Operations, Development, and Integration Laboratory. 188
ModillionA projecting scroll-shaped bracket or simple horizontal block arranged in series under the soffit of a cornice.
modularPertaining to the design concept in which interchangeable units are used to create a functional end product.
modular jackA device that conforms to the Code of Federal Regulations, Title 47, part 68, which defines the size and configuration of all units that are permitted for…
ModularityThe degree to which a system, computer program (or component) is composed of discrete components such that a change to one component has minimal impact on…
ModulationModulation is the method by which a high-frequency digital signal is grafted onto a lower-frequency analog wave, so that digital packets are able to ride…
modulation factorIn amplitude modulation, the ratio of the peak variation actually used, to the maximum design variation in a given type of modulation.
modulation indexIn angle modulation, the ratio of the frequency deviation of the modulated signal to the frequency of a sinusoidal modulating signal.
modulation rateThe rate at which a carrier is varied to represent the information in a digital signal.
modulation suppressionIn the reception of an amplitude-modulated signal, an apparent reduction in the depth of modulation of a wanted signal, caused by the presence, at the…
modulatorA device that imposes a signal on a carrier.
moduleThe smallest self-contained, environmentally protected structure housing interconnected photovoltaic cells and providing a single dc electrical output…
Mohr circleA graphical representation of the stresses acting on the various planes at a given point.
Mohs micrographic surgeryA surgical procedure used to treat skin cancer. Individual layers of cancerous tissue are removed and examined under a microscope one at a time until all…
Mohs surgery(MOZE SER-juh-ree) A surgical procedure used to treat skin cancer. Individual layers of cancerous tissue are removed and examined under a microscope one…
Moist AdiabatThe line on a Skew T-Log P chart that depicts the change in temperature of saturated air as it rises and undergoes cooling due to adiabatic expansion.
Moist Adiabatic Lapse Rate(abbrev. MALR)- The rate at which the temperature of a parcel of saturated air decreases as the parcel is lifted in the atmosphere.
moist adiabatic lapse rate (MALR)The rate at which the temperature of a parcel of saturated air decreases as the parcel is lifted in the atmosphere.
Moist-adiabatic(Also known as saturation-adiabatic process.) An adiabatic process for which the air is saturated and may contain liquid water.
MoistureThe amount of water and other components present in the biomass sample that are volatilized at 105°C. (Source: Ehrman, T.
Moisture ContentThe water content of a substance (a solid fuel) as measured under specified conditions being the: Dry Basis, which equals the weight of the wet sample…
Moisture Content (MC)The weight of the water contained in wood, usually expressed as a percentage of weight, either oven-dry or as received.
Moisture content (water content)The ratio of the weight of water in a soil sample to the weight of the dry soil, expressed as a percentage. See optimum moisture content.
Moisture content, dry basis (MCDB)Moisture content expressed as a percentage of the weight of oven-dry wood. weight of wet sample - weight of dry sample…
Moisture content, wet basis (MCWB)Moisture content expressed as a percentage of the weight of wood as-received. Expressed as: weight of wet sample - weight of dry sample…
Moisture ControlThe process of controlling indoor moisture levels and condensation.
Moisture ConvergenceA measure of the degree to which moist air is converging into a given area, taking into account the effect of converging winds and moisture advection.
Moisture EquivalentThe ratio of (1) the weight of water which the soil, after saturation, will retain against a centrifugal force 1,000 times the force of gravity, to (2)…
moisture free basisBiomass composition and chemical analysis data is typically reported on a moisture free or dry weight basis.
Moisture RidgeAn axis of relatively high dew point values. This axis is sometimes referred to as a 'moist tongue'.
molar pregnancy(MOH-ler PREG-nun-see) A slow-growing tumor that develops from trophoblastic cells (cells that help an embryo attach to the uterus and help form the…
moldA form of fungus. Some molds can cause disease in humans.
MoldingA piece of trim that introduces varieties of outline or curved contours in edges or surfaces as on window jambs and heads.
moleA benign (noncancerous) growth on the skin that is formed by a cluster of melanocytes (cells that make a substance called melanin, which gives color to…
Molecular biologyThe study of the biochemical and mo- lecular interactions within living cells.
Molecular cloningThe biological amplification of a specific DNA sequence through mitotic division of a host cell into which it has been transformed or transfected.
molecular diagnosis(muh-LEH-kyoo-ler dy-ug-NOH-sis) The process of identifying a disease by studying molecules, such as proteins, DNA, and RNA, in a tissue or fluid.
Molecular farmingThe development of transgenic animals to produce human proteins for medical use.
Molecular geneticsThe study of the flow and regulation of genetic information between DNA, RNA, and protein molecules.
molecular marker(muh-LEH-kyoo-ler ...) A biological molecule found in blood, other body fluids, or tissues that is a sign of a normal or abnormal process, or of a…
molecular massThe sum of the atomic masses of all atoms in a molecule, based on a scale in which the atomic masses of hydrogen, carbon, nitrogen, and oxygen are 1, 12…
Molecular medicine(muh-LEH-kyoo-ler MEH-dih-sin) A branch of medicine that develops ways to diagnose and treat disease by understanding the way genes, proteins, and other…
Molecular methodsLaboratory techniques that are based on identification and characterization of certain molecules and gene sequences of a pathogen's genetic makeup.
molecular pathway(muh-LEH-kyoo-ler â¦) A series of actions among molecules in a cell that leads to a certain end point or cell function.
molecular risk assessmentA procedure in which biomarkers (for example, biological molecules or changes in tumor cell DNA) are used to estimate a person's risk for developing…
molecularly targeted therapy(muh-LEH-kyuh-ler-lee TAR-geh-ted THAYR-uh-pee) In cancer treatment, substances that kill cancer cells by targeting key molecules involved in cancer cell…
MoleculeThe smallest particle of a substance that has all of the physical and chemical properties of that substance. Molecules are made up of one or more atoms.
MOLNIYA OrbitThis is a highly eccentric orbit with high apogee (.71 to .74) in the northern hemisphere and low perigee in the southern hemisphere.
Molten saltsMixtures of sodium nitrate and potassium nitrate in various proportions that are used as a heat transfer or heat storage medium in CSP Solar Energy…
momentThe moment is the time when all the tasks associated with a transaction have completed.
Momentum investingA momentum investor focuses on stocks that are rising in value on increasing daily volume, and avoids stocks that are falling in price or that are…
mometasone(moh-MEH-tuh-sone) A drug that is used in a cream to treat certain skin conditions and in a nasal spray to treat sinus problems caused by allergies.
mometasone furoate(moh-MEH-tuh-sone FYOOR-oh-ayt) A drug that is used in a cream to treat certain skin conditions and in a nasal spray to treat sinus problems caused by…
MonadThe code name for the Windows command-line shell technology and scripting language that provides a task automation solution for the Windows platform.
Monetary policyA country's central bank is responsible for its monetary policy. In the United States, for example, the Federal Reserve aims to keep the economy growing…
Monetary reserveA government's monetary reserve includes the foreign currency and precious metals that its central bank holds.
monetary valuethe commercial, insurance, or market value of a record expressed in terms of monetary currency. See commercial value; intrinsic value.
Money at RiskMoney that has been wagered and can be lost.
Money factorA money factor, also called a lease factor, is the finance charge you pay on an automobile lease.
Money JudgmentA judgment directing the payment of a sum of money.
Money ManagementA system a player uses to decide how to handle his bankroll. Kelly betting is one money management system that works.
Money managerRegistered money managers are paid professionals who are responsible for handling the securities portfolios they oversee in the best interest of the…
Money marketA sector of the capital market where short-term obligations such as Treasury bills, commercial paper and bankers' acceptances are bought and sold.
Money Market AccountOffered by full-service brokers, these are similar to checking accounts but usually pay higher rates.
Money Market Deposit AccountA savings account that offers a higher rate of interest in exchange for larger than normal deposits.
Money Market FundAn open-ended mutual fund that invests in short-term debts and monetary instruments such as Treasury bills and pays money market rates of interest.
Money OrderA money order is similar to a check. It is used to pay bills or make purchases in cases where cash is not accepted.
Money Order FeeMany institutions sell money orders for a fee. Institutions may impose separate fees on both account holders and non-account holders for the purchase of…
Money PlaysA casino rule which allows players to wager actual cash instead of chips.
Money purchase planA money purchase plan is a defined contribution retirement plan that requires the employer to contribute a fixed percentage of each employee's salary…
Money supplyThe money supply is the total amount of liquid or near-liquid assets in the economy.
monitor(MAH-nih-ter) In medicine, to regularly watch and check a person or condition to see if there is any change.
monitor black levelRelative to video, the luminance displayed on a monitor by a signal at reference black level. [After SMPTE]
monitor jackA jack used to access communications circuits to observe signal conditions without interrupting the services.
monitor keyA key used to access communications circuits to observe signal conditions without interrupting the services.
Monitor StageThe stage which, when reached by a rising stream, represents the level where appropriate officials (e.g.
monitor windowAn interval during which an entity performs the monitoring function at the direction of a service control function. [T1.667-1999]
monitoringThe act of listening, carrying out surveillance on, and/or recording the emissions of one's own or allied forces for the purposes of maintaining and…