17-letter words containing m, o, r, t, a, l
- miss lonelyhearts — a novel (1933) by Nathanael West.
- mitochondrial dna — DNA found in mitochondria, which contains some structural genes and is generally inherited only through the female line
- modern pentathlon — an athletic contest consisting of five different events: horse riding with jumps, fencing with electric épée, freestyle swimming, pistol shooting, and cross-country running
- modulo arithmetic — modular arithmetic
- molecular orbital — Physics, Chemistry. a wave function describing the state of a single electron in an atom (atomic orbital) or in a molecule (molecular orbital) the electron in that state.
- monarch butterfly — a large, deep-orange butterfly, Danaus plexippus, having black and white markings, the larvae of which feed on the leaves of milkweed.
- monochromatically — of or having one color.
- monte carlo rally — an annual car rally the destination of which is Monte Carlo
- moral re-armament — a worldwide movement initiated by Frank Buchman in 1938 as a successor to the Oxford Group, and maintaining that the practice of high morality in public and private life is the key to world betterment. Abbreviation: MRA.
- more than usually — You use more than usually to show that something shows even more of a particular quality than it normally does.
- motorcycle racing — sport: competing on motorcycles
- multi-directional — extending or operating in several directions at the same time; functioning or going in more than one direction: a multidirectional stereo speaker system.
- multi-millionaire — a person who possesses a fortune that amounts to many millions of dollars, francs, etc.
- multicollinearity — (statistics) A phenomenon in which two or more predictor variables in a multiple regression model are highly correlated, so that the coefficient estimates may change erratically in response to small changes in the model or data.
- multigenerational — of or relating to several generations, as of a family, or society: a multigenerational novel covering 300 years.
- multimillionaires — Plural form of multimillionaire.
- mundane astrology — the astrology of worldly events, in contrast to the astrology of the individual: used especially in interpretations and forecasts involving politics, the stock market, weather, and disasters.
- nasolacrimal duct — a membranous canal extending from the lacrimal sac to the nasal cavity, through which tears are discharged into the nose.
- national cemetery — a cemetery, maintained by the U.S. government, for persons who have served honorably in the armed forces.
- natural harmonics — harmonics of a note produced on a stringed instrument by lightly touching an open or unstopped sounded string.
- natural logarithm — a logarithm having e as a base. Symbol: ln.
- nephelometrically — By means of nephelometry.
- non-environmental — the aggregate of surrounding things, conditions, or influences; surroundings; milieu.
- non-materialistic — excessively concerned with physical comforts or the acquisition of wealth and material possessions, rather than with spiritual, intellectual, or cultural values.
- non-thermoplastic — soft and pliable when heated, as some plastics, without any change of the inherent properties.
- noninertial frame — a frame of reference that moves with the object, so that the moving object appears to violate Newton's laws of motion since it accelerates despite having no horizontal forces on it.
- normal orthogonal — orthonormal.
- north-wall hammer — a type of ice axe that has a hammer as part of its head
- numerical control — control of a machine tool, or other device used in a manufacturing process, by a computer, other control circuitry, or recorded digital commands.
- omphalomesenteric — (anatomy) Of or pertaining to the umbilicus and mesentery.
- one-parent family — A one-parent family is a family that consists of one parent and his or her children living together.
- optical astronomy — the branch of observational astronomy using telescopes to observe or photograph celestial objects in visible light.
- optical isomerism — stereoisomerism in which the isomers are identical in molecular weight and most chemical and physical properties but differ in their effect on the rotation of polarized light.
- organized militia — a former military organization functioning under both state and federal authority.
- orthogonal matrix — a matrix that is the inverse of its transpose so that any two rows or any two columns are orthogonal vectors
- outline agreement — a contract, etc, setting out the preliminary terms or guidelines for an agreement; a preliminary agreement
- paleobiochemistry — the study of biochemical processes that occurred in fossil life forms.
- palette of narmer — a king of Egypt identified by modern scholars as the Menes of tradition and depicted as the unifier of Upper and Lower Egypt on an ancient slate tablet (Narmer Palette or Palette of Narmer) c3200 b.c. with relief carvings on both sides.
- parallel computer — parallel processor
- parts per million — the number of units (of a substance) present in a million units of another substance
- pastoral symphony — the Symphony No. 6 in F major (1807–08) by Ludwig van Beethoven.
- peer of the realm — any of a class of peers in Great Britain and Ireland entitled by heredity to sit in the House of Lords.
- personal computer — a compact computer that uses a microprocessor and is designed for individual use, as by a person in an office or at home or school, for such applications as word processing, data management, financial analysis, or computer games. Abbreviation: PC.
- peterloo massacre — an incident at St Peter's Fields, Manchester, in 1819 in which a radical meeting was broken up by a cavalry charge, resulting in about 500 injuries and 11 deaths
- plateau's problem — the problem in the calculus of variations of finding the surface with the least area bounded by a given closed curve in space.
- police department — A police department is an official organization which is responsible for making sure that people obey the law.
- popular etymology — folk etymology.
- portable computer — (computer) (Commonly, "laptop") A portable personal computer you can carry with one hand. Some laptops run so hot that it would be quite uncomforable to actually use them on your lap for long. The term "notebook" is often used to describe these, though it also implies a low weight (less than 2kg). A "luggable" is one you could carry in one hand but is so heavy you wouldn't want to. One that can by easily operated while held in one hand is a "palmtop". The computer considered by most historians to be the first true portable computer was the Osborne 1 but see the link below for other contenders.
- portfolio manager — a person employed by others to make investments for them
- poststructuralism — a variation of structuralism, often seen as a critique, emphasizing plurality of meaning and instability of concepts that structuralism uses to define society, language, etc.