18-letter words containing c, l, a, m, n
- local examinations — (in the UK) any of various examinations, such as the GCE, set by university boards and conducted in local centres, schools, etc
- logical complement — (logic) In Boolean algebra, the logical complement or negation of a Boolean value is the opposite value, given by the following truth table: A | -A --+--- T | F F | T -A is also written as A with a bar over it or with a small vertical line hanging from the right-hand end of the "-" (LaTeX \neg) or as A'. In the C programming language, it is !A and in digital circuit design, /A.
- luminous emittance — luminous flux emitted per unit area.
- maclaurin's series — an infinite sum giving the value of a function f(x) in terms of the derivatives of the function evaluated at zero: f(x) = f(0) + (f′(0)x)/1! + (f″(0)x2)/2! + …
- 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.
- magnetic amplifier — an amplifier that applies the input signal to a primary winding and feeds an alternating current to a secondary winding where this current is modulated by the variations in the primary winding.
- magnetic potential — a scalar quantity, analogous to the electric potential, defined at each point in a given magnetic field to be equal to the work done in bringing a unit north pole from infinity to the point.
- magnetocrystalline — (physics) Describing the interaction between the magnetization and the crystal structure of a material.
- magnetoelectricity — electricity developed by the action of magnets.
- magnetorheological — (physics) describing a substance whose rheological properties are modified by a magnetic field.
- make allowance for — the act of allowing.
- malicious wounding — the intentional violent wounding or injuring of someone
- marine archaeology — the branch of archaeology that deals with the recovery of ancient objects found beneath the sea, as shipwrecks or remains from submerged islands, and with the techniques of underwater exploration, excavation, and retrieval.
- matthias schleiden — Matthias Jakob [mah-tee-ahs yah-kawp] /mɑˈti ɑs ˈyɑ kɔp/ (Show IPA), 1804–81, German botanist.
- mechanical drawing — drawing, as of machinery, done with the aid of rulers, scales, compasses, etc.
- mechanical testing — Mechanical testing is the testing of a material to find out its mechanical properties, for example its yield strength or hardness.
- 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
- mental health care — services devoted to the treatment of mental illnesses and the improvement of mental health in people with mental disorders or problems
- menthol cigarettes — cigarettes that are flavoured with menthol
- 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.
- methacrylate resin — an acrylic resin formed by polymerizing the esters or amides of methacrylic acid.
- methylcyclohexanol — a colorless, aromatic, viscous liquid mixture, chiefly of the ortho and para forms of CH 3 C 6 H 1 0 OH, derived from cresol by hydrogenation: used chiefly as a solvent for rubber, cellulose, esters, and phenols.
- mexican fire-plant — a showy plant, Euphorbia heterophylla, of the spurge family, growing in the central U.S. to central South America, having red or mottled red and white bracts.
- mexican gold poppy — an annual wildflower, Eschscholzia mexicana, having orange-gold, cup-shaped flowers, found in dry, mountainous regions of western North America.
- mezzo-soprano clef — a C clef locating middle C on the line next to the lowest line of the staff.
- microcrystallinity — The condition of being microcrystalline.
- microencapsulation — the process of enclosing chemical substances in microcapsules.
- microenvironmental — Pertaining to a microenvironment.
- microgravitational — Of or pertaining to microgravitation.
- micropalaeontology — the branch of palaeontology concerned with the study of microscopic fossils
- 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.
- military policeman — A military policeman is a member of the military police.
- mineralocorticoids — Plural form of mineralocorticoid.
- 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.
- mobility allowance — an allowance paid by the government to help people who have limited mobility
- 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.
- molecular medicine — the study of disease or injury at the molecular or cellular level.
- 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)
- mozambique channel — a channel in SE Africa, between Mozambique and Madagascar. 950 miles (1530 km) long; 250–550 miles (400–885 km) wide.
- 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.
- multifunctionality — The condition of being multifunctional.
- multimedia machine — machines that allow users to control and manipulate sound, video, text and graphics
- musical instrument — music
- national socialism — the principles and practices of the Nazi party in Germany.
- new american bible — an English translation of the Bible based on the original languages, prepared by Catholic Biblical scholars, and first published in 1970.