18-letter words containing i, t, s, a, l
- magnesium silicate — a white powder, 3MgSiO 3 ⋅5H 2 O, with variable hydration, insoluble in water or alcohol, used as a rubber filler, a bleaching agent, an odor absorbent, and in the manufacture of paints and resins.
- magnetocrystalline — (physics) Describing the interaction between the magnetization and the crystal structure of a material.
- malpighian tubules — one of a group of long, slender excretory tubules at the anterior end of the hindgut in insects and other terrestrial arthropods.
- margaret of valois — ("Queen Margot") 1533–1615, 1st wife of Henry IV of France: queen of Navarre; patron of science and literature (daughter of Henry II of France and Catherine de' Medici).
- materials handling — the loading, unloading, and movement of goods, as within a factory or warehouse, especially by the aid of mechanical devices.
- maternity hospital — birthing facility
- matthias schleiden — Matthias Jakob [mah-tee-ahs yah-kawp] /mɑˈti ɑs ˈyɑ kɔp/ (Show IPA), 1804–81, German botanist.
- mechanical testing — Mechanical testing is the testing of a material to find out its mechanical properties, for example its yield strength or hardness.
- 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.
- 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.
- microcrystallinity — The condition of being microcrystalline.
- microencapsulation — the process of enclosing chemical substances in microcapsules.
- mineral supplement — a pill containing minerals that you take to improve your health
- mineralocorticoids — Plural form of mineralocorticoid.
- minister of health — a person appointed to head the government department of health
- 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.
- 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.
- 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.
- 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
- national guardsman — guardsman (def 2).
- national insurance — In Britain, national insurance is the state system of paying money to people who are ill, unemployed, or retired. It is financed by money that the government collects from people who work, or from their employers.
- national socialism — the principles and practices of the Nazi party in Germany.
- natural philosophy — natural science.
- natural resistance — natural immunity.
- nebular hypothesis — the theory that the solar system evolved from a mass of nebular matter: prominent in the 19th century following its precise formulation by Laplace.
- negative cash flow — the situation when income is less than payments
- neovascularization — the development of new blood vessels, especially in tissues where circulation has been impaired by trauma or disease.
- netherlands guiana — a former name of Suriname.
- neuroleptanalgesia — a semiconscious nonreactive state induced by certain drug combinations, as fentanyl with droperidol.
- no-fault insurance — Also called no-fault insurance. a form of automobile insurance designed to enable the policyholder in case of an accident to collect a certain basic compensation promptly for economic loss from his or her own insurance company without determination of liability.
- nocturnal emission — the release of semen during sleep, often during a sexual dream.
- non-circumstantial — of pertaining to, or derived from circumstances: a circumstantial result.
- non-conversational — able or ready to converse; given to conversation.
- non-ecclesiastical — of or relating to the church or the clergy; churchly; clerical; not secular.
- 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.
- nonpartisan league — a political organization of farmers, founded in North Dakota in 1915, and extending to many states west of the Mississippi, with the aim of influencing agricultural legislation in state legislatures.
- nonpreferentialism — of, relating to, or of the nature of preference: preferential policies.
- nonstriated muscle — smooth muscle