Media SanitizationA general term referring to the actions taken to render data written on media unrecoverable by both ordinary and extraordinary means.
media streamA sequence of presentation units intended to convey some specific content. [T1.801.04-1997]
medial supraclavicular lymph node(MEE-dee-ul SOO-pruh-kla-VIH-kyuh-ler...) A lymph node located above the collar bone and between the center of the body and a line drawn through the…
medianA statistics term. The middle value in a set of measurements.
Median household incomeDivides households into two equal segments, with one-half of households earning less than the median household income and the other half earning more.
Median housing valueDivides housing units into two equal segments, one-half of housing units less than median housing value and the other half valued more.
Median PriceThe price of the house that falls in the middle of the total number of homes for sale in that area.
median survival timeThe time from either diagnosis or treatment at which half of the patients with a given disease are found to be, or expected to be, still alive.
median umbilical ligamentA fibrous cord that connects the urinary bladder to the umbilicus (navel). The median umbilical ligament is formed as the allantoic stalk during fetal…
Median Wind SpeedThe wind speed with 50 percent probability of occurring.
mediastinal pleuraThe thin membrane that lines the chest cavity in the area between the lungs.
mediastinoscope(MEE-dee-uh-STIN-oh-skope) A thin, tube-like instrument used to examine the tissues and lymph nodes in the area between the lungs.
mediastinoscopy(MEE-dee-as-tih-NOS-koh-pee) A procedure in which a mediastinoscope is used to examine the organs in the area between the lungs and nearby lymph nodes.
mediastinum(mee-dee-a-STYE-num) The area between the lungs. The organs in this area include the heart and its large blood vessels, the trachea, the esophagus, the…
mediated searchA search for documentary material or information about documentary material during which the person searching is assisted by NARA personnel.
MediationMediation is an informal, voluntary method of resolving disputes, in which the parties in conflict meet with a trained, independent third party to come up…
mediation functionIn telecommunications network management, a function that routes or acts on information passing between network elements and network operations.
MediatorA person who conducts mediation. A mediator is usually a lawyer or retired judge but can be a non-attorney specialist in the subject matter who tries to…
MedicaidMedicaid is federal government program run by the individual states. It's designed to provide assistance to people who can't afford skilled or custodial…
Medicaid Spend-downA process whereby an individual who meets the Medicaid medical eligibility criteria, but has income that exceeds the financial eligibility ceiling, may…
Medicaid/Medical AssistanceA joint federal-state health insurance program that is run by the states and covers certain low-income people (especially children and pregnant women)…
Medical BenefitsThis pays medical bills for you and others covered on your policy regardless of fault. The minimum limit is $5,000 of coverage.
medical castrationRefers to the use of drugs to suppress the function of the ovaries or testicles.
medical device(MEH-dih-kul dee-VICE) An instrument, tool, machine, test kit, or implant that is used to prevent, diagnose, or treat disease or other conditions.
Medical ErrorAn unintended but preventable adverse effect of care, whether or not it is evident or harmful to the patient.
Medical Examinergovernment official, always a physician and often a forensic pathologist, charged with investigating sudden and unexpected deaths or deaths from injuries.
Medical Loss Ratio (MLR)A basic financial measurement used in the Affordable Care Act to encourage health plans to provide value to enrollees.
medical nutrition therapy(MEH-dih-kul noo-TRIH-shun THAYR-uh-pee) Treatment based on nutrition. It includes checking a person's nutrition status, and giving the right foods or…
Medical Oncologist(MEH-dih-kul on-KAH-loh-jist) A doctor who specializes in diagnosing and treating cancer using chemotherapy, hormonal therapy, and biological therapy.
Medical PaymentCoverage that pays for limited medical expenses if you, a member of your family, or a passenger in your car is hurt in a car accident.
Medical ProcedureAn examination, surgery, diagnostic test, a laboratory test that is done by a healthcare provider.
Medical RecordDocumentation of a patient's medical history and care.
Medical UnderwritingA process used by insurance companies to try to figure out your health status when you're applying for health insurance coverage to determine whether to…
Medically NecessaryA drug, device, procedure, treatment plan, or other therapy that is covered under your health insurance policy and that your doctor, hospital, or provider…
MedicareMedicare is a federal government insurance program designed to provide healthcare coverage for people 65 or older, certain disabled people, and people…
Medicare AdvantageAn option Medicare beneficiaries can choose to receive most or all of their Medicare benefits through a private insurance company.
Medicare Advantage (Medicare Part C)A type of Medicare health plan offered by a private company that contracts with Medicare to provide you with all your Medicare Part A and Part B benefits.
Medicare Cost PlansMedicare cost plans are a type of HMO that contracts as a Medicare Health Plan.
Medicare Hospital Insurance TaxA tax under the Federal Insurance Contributions Act (FICA) that is a United States payroll tax imposed by the Federal government on both employees and…
Medicare Part DA program that helps pay for prescription drugs for people with Medicare who join a plan that includes Medicare prescription drug coverage.
Medicare Select PlansA type of Medigap policy that may require the Medicare Beneficiary to use hospitals and, in some cases, doctors within its network to be eligible for full…
Medicare Supplement (Medigap) InsurancePrivate insurance policies that can be purchased to "fill-in the gaps" and pay for certain out-of-pocket expenses (like deductibles and coinsurance) not…
Medicare taxUsed to provide medical benefits for certain individuals when they reach age 65.
medication(MEH-dih-KAY-shun) A legal drug that is used to prevent, treat, or relieve symptoms of a disease or abnormal condition.
Medication GuideA medication guide contains information for patients on how to safely use a drug product.
Medication/MedicineAny substance or substances used in treating disease or illness.
medicine(MEH-dih-sin) Refers to the practices and procedures used for the prevention, treatment, or relief of symptoms of a diseases or abnormal conditions.
medium(pl.: media) 1. In plant tissue culture, a term for the liquid or solid formulation upon which plant cells, tissues or organs develop.
medium access unit (MAU)In a communications system, the equipment that adapts or formats the signal for transmittal over the communication medium.
Medium Btu GasFuel gas with a heating value of between 200 and 300 Btu per cubic foot.
Medium Earth Orbit (MEO)Space vehicles characterized by orbits between 400 and 10,000 nautical miles, longer duration revolution (2 to 12 hours), longer visibility envelopes (10…
Medium Extended Air Defense System (MEADS)A lightweight, highly transportable, low-to-medium altitude air defense and theater missile defense system designed to protect critical fixed and…
medium formulationIn tissue culture, the particular constituents for the culture medium, commonly comprising macro- and micro-elements, vitamins, plant hormones, and a…
Medium Frequency(abbrev. MF)- That portion of the radio frequency spectrum from 0.3 to 3 MHz.
medium frequency (MF)Frequencies from 300 kHz to 3000 kHz. See electromagnetic spectrum.
medium interface connector (MIC)In communications systems, the connector at the interface point between the bus interface unit and the terminal, i.e., the medium interface point.
medium interface point (MIP)In communication systems, the location at which the standards for the interface parameters between a terminal and the line facility are implemented.
Medium Power LasersLasers that radiate power less than 1 MW, normally used to detect, identify, track, and designate a target vehicle.
Medium PressureFor valves and fittings, implies that they are suitable for working pressures between 125 to 175 pounds per square inch.
Medium RangeIn forecasting, (generally) three to seven days in advance.
Medium Term NotesUnsecured general obligations of Fannie Mae with maturities of one day or more and with principal and interest payable in U.S. dollars.
Medium Wavelength Infrared (MWIR)Thermal radiation emitted by a source in the electromagnetic spectrum encompassing infrared wavelengths of 3 to 6 microns. 180
Medium-height damA dam between 100 and 300 feet high. See low dam and high dam.
medium-power talkerA hypothetical talker, within a log-normal distribution of talkers, whose volume lies at the medium power of all talkers determining the volume…
Medium-size water systemA water system that serves greater than 3,300 and less than or equal to 50,000 persons.
medium-term bit error rateBit error rate that can be encountered for relatively short time periods (e.g., minutes), due to temporary malfunctions of, for example, transmission…
Medium-thick arch damAn arch dam with a base thickness to structural height ratio between 0.2 and 0.3 (previously defined as between 0.3 and 0.5).
medroxyprogesteroneA hormonal anticancer drug that is also used in cancer prevention. It belongs to the family of drugs called progestins.
medroxyprogesterone acetateA drug used to prevent endometrial cancer. It is also used to treat menstrual disorders and as a form of birth control.
medullary breast carcinoma(MED-yoo-LAYR-ee brest KAR-sih-NOH-muh) A rare type of breast cancer that often can be treated successfully.
medullary thyroid cancer(MED-yoo-LAYR-ee THY-royd KAN-ser) Cancer that develops in C cells of the thyroid.
medulloblastoma(MED-yoo-loh-blas-TOH-muh) A malignant brain tumor that begins in the lower part of the brain and that can spread to the spine or to other parts of the…
Meeting railA sash rail in a double-hung window designed to interlock with an adjacent sash rail.
Meeting WorkspaceA specialized Sharepoint Services site. Can be created directly in SPS or in Outlook as a part of a meeting request.
Meeting Workspace siteA Web site based on a Meeting Workspace site template that is used for planning, posting, and working together on meeting materials, and following up…
mega yeast artificial chromosomeA yeast artificial chromosome (YAC) which can carry particularly large inserts (up to 1Mbp) - standard YACs typically carry inserts of up to 500kbp.
mega-voltage linear acceleratorA machine that uses electricity to form a stream of fast-moving subatomic particles. This creates high-energy radiation that may be used to treat cancer.
megabase(Abbreviation: Mb). A length of DNA consisting of 106 bases.
Megabase (Mb)Unit of length for DNA fragments equal to 1 million nucleotides and roughly equal to 1 cM. See also: centimorgan
Megabase cloningThe cloning of very large DNA fragments. (See Cloning.)
MegabyteA unit of information or computer storage abbreviated as M orMB, equal to 1,024 x 1,024 = 1,048,576 bytes.
Megabyte (Meg)One megabyte of data is equal to one million bytes.
MegaceA drug used to block estrogen and suppress the effects of estrogen and androgens.
megaDalton(Abbreviation: MDa). One megaDalton is equal to 106 Dalton.
MegafaunaA number of species of presently extinct mammals including mammoths and mastodons.
megagametophyteThe female gametophyte; the plant that develops from a megaspore.