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18-letter words containing m, e, t, a, s, i

  • 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.
  • 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.
  • mental reservation — an unexpressed doubt or qualification about a situation, person, etc.
  • menthol cigarettes — cigarettes that are flavoured with menthol
  • 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.
  • metamorphic facies — Geology. a group of metamorphic rock units characterized by particular mineralogic associations.
  • methacrylate resin — an acrylic resin formed by polymerizing the esters or amides of methacrylic acid.
  • methylated spirits — ethyl alcohol denatured with methyl alcohol for the purpose of preventing its use as an alcoholic beverage.
  • microencapsulation — the process of enclosing chemical substances in microcapsules.
  • microinvertebrates — Plural form of microinvertebrate.
  • microsoft exchange — (messaging)   Microsoft's messaging and enterprise collaboration server. Exchange's primary role is as an electronic mail message store but it can also store calendars, task lists, contact details, and other data.
  • microwave spectrum — a spectrum of electromagnetic radiations whose wavelengths fall in the microwave range.
  • midstream operator — A midstream operator is a company that gathers, transports, and processes natural gas or oil.
  • mineral supplement — a pill containing minerals that you take to improve your health
  • mineralocorticoids — Plural form of mineralocorticoid.
  • miniature pinscher — one of a German breed of toy dogs resembling a smaller version of the Doberman pinscher, having a flat skull, a smooth coat, erect ears, and a docked tail, bred originally as a watchdog.
  • minister of health — a person appointed to head the government department of health
  • misinterpretations — Plural form of misinterpretation.
  • misrepresentations — Plural form of misrepresentation.
  • mission specialist — the crew member of a space shuttle who is assigned primary responsibility for carrying out operations related to the payload of the shuttle.
  • 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
  • moccasin telegraph — the transmission of rumour or secret information; the grapevine
  • molecular genetics — a subdivision of genetics concerned with the structure and function of genes at the molecular level.
  • mortgage insurance — policy to compensate for property loan payments
  • mount saint helens — a city in Merseyside, in NW England, near Liverpool.
  • multicast backbone — (MBONE) A virtual network on top of the Internet which supports routing of IP multicast packets, intended for multimedia transmission. MBONE gives public access desktop video communications. The quality is poor with only 3-5 frames per second instead of the 30 frames per second of commercial television. Its advantage is that it avoids all telecommunications costs normally associated with teleconferencing. An interesting innovation is the use of MBONE for audio communications and an electronic "whiteboard" where the computer screen becomes a shared workspace where two physically remote parties can draw on and edit shared documents in real-time.
  • music to your ears — If something that you hear is music to your ears, it makes you feel very happy.
  • musical instrument — music
  • 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.
  • mutually exclusive — of or relating to a situation involving two or more events, possibilities, etc., in which the occurrence of one precludes the occurrence of the other: mutually exclusive plans of action.
  • mutually recursive — recursion
  • neo-pythagoreanism — a philosophical system, established in Alexandria and Rome in the second century b.c., consisting mainly of revived Pythagorean doctrines with elements of Platonism and Stoicism.
  • neutrino astronomy — the branch of astronomy dealing with the detection and measurement of neutrinos emitted by the sun and other celestial objects.
  • nightmare scenario — If you describe a situation or event as a nightmare scenario, you mean that it is the worst possible thing that could happen.
  • nike of samothrace — a Greek marble statue (c200 b.c.) of Nike found at Samothrace and now in the Louvre, Paris.
  • nocturnal emission — the release of semen during sleep, often during a sexual dream.
  • nominative-address — a noun naming the person to whom one is speaking.
  • non-discriminative — constituting a particular quality, trait, or difference; characteristic; notable.
  • non-fundamentalist — (sometimes initial capital letter) a religious movement characterized by a strict belief in the literal interpretation of religious texts, especially within American Protestantism and Islam.
  • nonpreferentialism — of, relating to, or of the nature of preference: preferential policies.
  • nonstriated muscle — smooth muscle
  • normally aspirated — A normally aspirated or naturally aspirated engine breathes air at atmospheric pressure.
  • objective idealism — a form of idealism asserting that the act of experiencing has a reality combining and transcending the natures of the object experienced and of the mind of the observer.
  • offensive material — any published or broadcast content (such as articles, photographs, films, or websites) that is likely to be upsetting, insulting, or objectionable to some or most people
  • oil of catechumens — holy oil used in baptism, the ordination of a cleric, the coronation of a sovereign, or in the consecration of a church.
  • operations manager — business director
  • optical microscope — traditional magnifying instrument
  • osteitis deformans — Paget's disease.
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