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17-letter words containing m, e, t, r, a

  • mass spectrometer — a device for identifying the kinds of particles present in a given substance: the particles are ionized and beamed through an electromagnetic field and the manner in which they are deflected is indicative of their mass and, thus, their identity.
  • mass spectroscope — an instrument used to determine the masses of small, electrically charged particles.
  • mass spectroscopy — an instrument used to determine the masses of small, electrically charged particles.
  • massage therapist — sb who gives body rubs
  • master of science — a master's degree given usually in a specific branch of the natural sciences, mathematics, or technology.
  • materialistically — excessively concerned with physical comforts or the acquisition of wealth and material possessions, rather than with spiritual, intellectual, or cultural values.
  • materials science — the study of the characteristics and uses of various materials, as glass, plastics, and metals.
  • maternal instinct — motherly urge to protect and nurture
  • maternity benefit — government allowance
  • matter of opinion — a point open to question; a debatable statement
  • mayflower compact — an agreement to establish a government, entered into by the Pilgrims in the cabin of the Mayflower on November 11, 1620.
  • mean proportional — (between two numbers a and b) a number x for which a/x = x/b : The number 3 is a mean proportional between 1 and 9.
  • mean-spiritedness — the quality of being mean-spirited
  • mechanoelectrical — Describing the production of electricity by mechanical motion; especially in a transducer.
  • mediterranean sea — a sea surrounded by Africa, Europe, and Asia. 2400 miles (3865 km) long; 1,145,000 sq. mi. (2,965,550 sq. km); greatest known depth 14,436 feet (4400 meters).
  • megaelectron volt — million electron volts.
  • meiji restoration — revolution in Japanese life and government that occurred after the accession of Emperor Mutsuhito (1867), characterized by the downfall of the shogun and feudalism and the creation of a modern state
  • memetic algorithm — (algorithm)   A genetic algorithm or evolutionary algorithm which includes a non-genetic local search to improve genotypes. The term comes from the Richard Dawkin's term "meme". One big difference between memes and genes is that memes are processed and possibly improved by the people that hold them - something that cannot happen to genes. It is this advantage that the memetic algorithm has over simple genetic or evolutionary algorithms. These algorithms are useful in solving complex problems, such as the "Travelling Salesman Problem," which involves finding the shortest path through a large number of nodes, or in creating artificial life to test evolutionary theories. Memetic algorithms are one kind of metaheuristic. (07 July 1997)
  • memory management — (memory management, storage)   A collection of techniques for providing sufficient memory to one or more processes in a computer system, especially when the system does not have enough memory to satisfy all processes' requirements simultaneously. Techniques include swapping, paging and virtual memory. Memory management is usually performed mostly by a hardware memory management unit.
  • mensural notation — a system of musical notation of the 13th to the late 16th centuries, marked by the use of note symbols such as the longa and brevis, the absence of bar lines and ties, and the equivalence in value of one note to either two or three of the next smaller degree.
  • mental arithmetic — sums done in your head
  • mental impairment — (in England, according to the Mental Health Act 1983) a state of arrested or incomplete development of mind, which includes significant impairment of intelligence and social functioning and is associated with abnormally aggressive or seriously irresponsible conduct
  • mentally impaired — with reduced or weakened mental capacity
  • mercantile agency — commercial agency.
  • mercantile marine — the merchant navy
  • mercantile system — a system of political and economic policy, evolving with the modern national state and seeking to secure a nation's political and economic supremacy in its rivalry with other states. According to this system, money was regarded as a store of wealth, and the goal of a state was the accumulation of precious metals, by exporting the largest possible quantity of its products and importing as little as possible, thus establishing a favorable balance of trade.
  • merchant of death — a company, nation, or person that sells military arms on the international market, usually to the highest bidder and without scruple or regard for political ramifications.
  • merchant shipping — shipping which is involved in commerce (rather than defence, etc)
  • mercury barometer — a barometer in which the weight of a column of mercury in a glass tube with a sealed top is balanced against that of the atmosphere pressing on an exposed cistern of mercury at the base of the mercury column, the height of the column varying with atmospheric pressure.
  • mercy otis warren — Earl, 1891–1974, U.S. lawyer and political leader: chief justice of the U.S. 1953–69.
  • mesembryanthemums — Plural form of mesembryanthemum.
  • messier catalogue — a catalogue of 103 nonstellar objects, such as nebulae and galaxies, prepared in 1781–86. An object is referred to by its number in this catalogue, for example the Andromeda Galaxy is referred to as M31
  • metallofullerenes — Plural form of metallofullerene.
  • metalloproteinase — (enzyme) Any of several proteinases that have a metal atom (often zinc) at their active centre.
  • metaperiodic acid — the crystalline compound HIO4, an oxyacid of iodine
  • methyltransferase — any of a class of enzymes that catalyze the transfer of methyl groups from one molecule to another.
  • microencapsulated — Encapsulated using microencapsulation.
  • microevolutionary — Of or pertaining to microevolution.
  • microinvertebrate — An invertebrate of microscopic size.
  • microminiaturized — Simple past tense and past participle of microminiaturize.
  • micropaleontology — the branch of paleontology dealing with the study of microscopic fossils.
  • microphanerophyte — any shrub or tree having a height of 2 to 8 metres
  • mileage indicator — a device on a vehicle such as a car, plane, etc which indicates the number of miles travelled
  • military covenant — the supposed understanding that members of the armed forces and their families will be supported by the state in the event of injury or death in the course of duty
  • military governor — the military officer in command of a military government.
  • minas de riotinto — a town in SW Spain: copper mines.
  • mineralocorticoid — Biochemistry. any of a group of corticosteroid hormones, synthesized by the adrenal cortex, that regulate the excretion or reabsorption of sodium and potassium by the kidneys, salivary glands, and sweat glands.
  • minister of state — (in the British Parliament) a minister, usually below cabinet rank, appointed to assist a senior minister with heavy responsibilities
  • ministering angel — a spirit who is believed to look after the needs of a particular person or group
  • mischaracterizing — Present participle of mischaracterize.
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