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18-letter words containing a, d, m, e

  • materials handling — the loading, unloading, and movement of goods, as within a factory or warehouse, especially by the aid of mechanical devices.
  • mathematical model — a representation of a system, process, etc, in mathematical terms
  • matthias schleiden — Matthias Jakob [mah-tee-ahs yah-kawp] /mɑˈti ɑs ˈyɑ kɔp/ (Show IPA), 1804–81, German botanist.
  • maximum likelihood — greatest probability
  • mechanical drawing — drawing, as of machinery, done with the aid of rulers, scales, compasses, etc.
  • median lethal dose — the quantity of a lethal substance, as a poison or pathogen, or of ionizing radiation that will kill 50 percent of the organisms subjected to it in a specified time period. Symbol: LD 5 0.
  • medical dictionary — a specialized dictionary covering terms used in the health professions by doctors, nurses, and others involved in allied health care services. A dictionary with authoritative spellings and definitions is a particularly crucial resource in medicine, where a misspelling or misunderstanding can have unfortunate consequences for people under care. Print dictionaries in this field may be sorted alphabetically or may be categorized according to medical specializations or by the various systems in the body, as the immune system and the respiratory system. The online Medical Dictionary on Dictionary.com allows alphabetical browsing in the combined electronic versions of more than one authoritative medical reference, insuring access to correct spellings, as well as immediate, direct access to a known search term typed into the search box on the site: A medical dictionary reveals that large numbers of medical terms are formed from the same Latin and Greek parts combined and recombined.
  • medical profession — the body of people who work as doctors of medicine
  • medical technician — a person, not a qualified doctor, who does practical work in a hospital
  • medicine bow range — a range of the Rocky Mountains, in Wyoming and Colorado. Highest peak, Medicine Bow Peak, 12,014 feet (3662 meters).
  • medium of exchange — anything generally accepted as representing a standard of value and exchangeable for goods or services.
  • mendel's first law — the principle, originated by Gregor Mendel, stating that during the production of gametes the two copies of each hereditary factor segregate so that offspring acquire one factor from each parent.
  • menendez de aviles — Pedro [pe-th raw] /ˈpɛ ðrɔ/ (Show IPA), 1519–74, Spanish admiral and colonizer: founder of St. Augustine, Florida 1565.
  • mental retardation — Usually Offensive. a developmental disorder characterized in varying degrees by a subnormal ability to learn, a substantially low IQ, and impaired social adjustment.
  • mercury delay line — (storage, history)   An archaic first-in first-out fixed time period data storage device using acoustic transducers to transmit data as waves in a trough or tube of mercury. EDSAC (Cambridge) and UNIVAC I used delay lines.
  • metabolic syndrome — Pathology. a group of medical conditions present simultaneously in a patient, as high blood pressure, low HDL cholesterol levels, and an excess of abdominal fat, that increases a person's risk of heart disease, stroke, and diabetes. Also called insulin resistance syndrome.
  • methylated spirits — ethyl alcohol denatured with methyl alcohol for the purpose of preventing its use as an alcoholic beverage.
  • mexican gold poppy — an annual wildflower, Eschscholzia mexicana, having orange-gold, cup-shaped flowers, found in dry, mountainous regions of western North America.
  • microwave detector — a device for recording the speed of a motorist
  • mid-atlantic ridge — a north-south suboceanic ridge in the Atlantic Ocean from Iceland to Antarctica on whose crest are several groups of islands; shown by plate tectonics to be the axis along which North America has split away from Eurasia, and along which South America has split away from Africa.
  • middle high german — the High German language of the period 1100–1500. Abbreviation: MHG.
  • middle paleolithic — See under Paleolithic.
  • middle-of-the-road — favoring, following, or characterized by an intermediate position between two extremes, especially in politics; moderate.
  • midstream operator — A midstream operator is a company that gathers, transports, and processes natural gas or oil.
  • mineralocorticoids — Plural form of mineralocorticoid.
  • misplaced modifier — Grammar. a word, phrase, or clause that seems to refer to or modify an unintended word because of its placement in a sentence, as when young in When young, circuses appeal to all of us.
  • misunderestimation — (nonstandard) An inaccurate underestimation, or an act of misunderestimating.
  • mixed martial arts — Mixed martial arts is a sport in which two people fight by hitting, kicking, and holding each other, both in a standing position and on the ground.
  • mobile data system — a system consisting of a client computer requesting information and a server supplying this information
  • modelling language — (language)   Possibly a kind of programming language designed for describing models and their behaviour. See also data modelling, object relational model, simulation, UML, VRML.
  • modular arithmetic — arithmetic in which numbers that are congruent modulo a given number are treated as the same. Compare congruence (def 2), modulo, modulus (def 2b).
  • mohammed ibn-kasim — flourished early 8th century a.d, Muslim conqueror of the Sind region in India.
  • molecular medicine — the study of disease or injury at the molecular or cellular level.
  • monophosphorylated — (biochemistry) phosphorylated with a single unit of phosphoric acid.
  • monte carlo method — a technique for numerically approximating the solution of a mathematical problem by studying the distribution of some random variable, often generated by a computer.
  • mordovian republic — a constituent republic of W central Russia, in the middle Volga basin. Capital: Saransk. Pop: 888 700 (2002). Area: 26 200 sq km (10 110 sq miles)
  • morphine addiction — the fact or condition of being addicted to morphine
  • motor torpedo boat — PT boat.
  • movers and shakers — a person or thing that moves.
  • moving bed reactor — A moving bed reactor is a reactor in which a layer of catalyst in the form of granules is moved between a reaction area and a regeneration area.
  • mucopolysaccharide — (formerly) glycosaminoglycan.
  • multimedia machine — machines that allow users to control and manipulate sound, video, text and graphics
  • mutual aid society — A mutual aid society is an organization that provides benefits or other help to its members when they are affected by things such as death, sickness, disability, old age, or unemployment.
  • my lips are sealed — If you tell someone that your lips are sealed, you are promising them that you will keep a secret that they have told you.
  • neurodevelopmental — Of or pertaining to the development of neurological pathways in the brain.
  • neuropsychodynamic — Of or pertaining to neuropsychodynamics.
  • nickel-and-dime it — to succeed or obtain something gradually by the repeated expenditure of small sums or the slow gathering of votes, power, money, etc. in small increments
  • nickeled-and-dimed — of little or no importance; trivial; petty: a nickel-and-dime business that soon folded.
  • nominative-address — a noun naming the person to whom one is speaking.
  • non-denominational — of or relating to a denomination or denominations.
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