18-letter words containing a, t, o, n, l
- local examinations — (in the UK) any of various examinations, such as the GCE, set by university boards and conducted in local centres, schools, etc
- locally finite set — a collection of sets in a topological space in which each point of the space has a neighborhood that intersects a finite number of sets of the collection.
- 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.
- lone-parent family — a family in which there is only one parent
- lonely hearts club — a club for people who are trying to find a lover or a friend
- long-distance call — phone call: not local area
- long-stay car park — a car park (eg at an airport) where cars can be left for a long time
- luminous emittance — luminous flux emitted per unit area.
- 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.
- major tranquilizer — antipsychotic (def 2).
- malignant melanoma — skin cancer
- mandelbrot, benoit — Benoit Mandelbrot
- maternity hospital — birthing facility
- 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.
- mental reservation — an unexpressed doubt or qualification about a situation, person, etc.
- 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.
- 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.
- 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.
- 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
- military policeman — A military policeman is a member of the military police.
- mineralocorticoids — Plural form of mineralocorticoid.
- minister of health — a person appointed to head the government department of health
- minor tranquilizer — antianxiety drug.
- 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.
- 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.
- monterosso al mare — a group of five coastal villages (Monterosso al Mare, Vernazza, Corniglia, Manarola, and Riomaggiore) on the Ligurian Sea in NW Italy, near La Spezia.
- montgomery village — a city in central Maryland.
- morning-after pill — a contraceptive pill containing only an estrogen and used by women within a few hours after sexual intercourse.
- mount saint helens — a city in Merseyside, in NW England, near Liverpool.
- mozilla foundation — (body, web, open source) The body set up by Netscape in January 1998 to coordinate development of the Mozilla browser and to provide a point of contact.
- 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.
- nailed to the wall — [like a trophy] Said of a bug finally eliminated after protracted, and even heroic, effort.
- napoleon bonaparte — Jérôme [juh-rohm;; French zhey-rohm] /dʒəˈroʊm;; French ʒeɪˈroʊm/ (Show IPA), 1784–1860, king of Westphalia 1807 (brother of Napoleon I).
- national agreement — written formal agreements covering rates of pay and other terms and conditions of employment that are the result of collective bargaining at national level between one or more trade unions and employers in a sector of the economy
- 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.