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18-letter words containing s, e, m, p, t

  • means of transport — vehicle or system of travel
  • membrane transport — the process by which physiologically important substances, such as calcium ions, sugars, etc, are conveyed across a biological membrane
  • metamorphic facies — Geology. a group of metamorphic rock units characterized by particular mineralogic associations.
  • methylated spirits — ethyl alcohol denatured with methyl alcohol for the purpose of preventing its use as an alcoholic beverage.
  • methylprednisolone — A synthetic glucocorticoid drug, with chemical formula C22H30O5.
  • microencapsulation — the process of enclosing chemical substances in microcapsules.
  • microwave spectrum — a spectrum of electromagnetic radiations whose wavelengths fall in the microwave range.
  • midstream operator — A midstream operator is a company that gathers, transports, and processes natural gas or oil.
  • mineral supplement — a pill containing minerals that you take to improve your health
  • miniature pinscher — one of a German breed of toy dogs resembling a smaller version of the Doberman pinscher, having a flat skull, a smooth coat, erect ears, and a docked tail, bred originally as a watchdog.
  • minority president — (in the US) a president who has been elected by the largest number of votes cast but not by a majority of the electorate
  • misinterpretations — Plural form of misinterpretation.
  • misrepresentations — Plural form of misrepresentation.
  • 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.
  • moccasin telegraph — the transmission of rumour or secret information; the grapevine
  • molecular spectrum — the spectrum of light emitted or absorbed by a species of molecule.
  • monk's pepper tree — a shrub or small tree, Vitex agnus-castus, of southern Europe, having aromatic, hairy leaves and long clusters of fragrant, pale lilac-blue flowers.
  • monophosphorylated — (biochemistry) phosphorylated with a single unit of phosphoric acid.
  • mosquito repellent — a chemical substance, such as a spray or lotion, applied to the body to prevent mosquitoes biting
  • move the goalposts — to change the aims of an activity to ensure the desired results
  • multiple collision — an accident in which several cars crash into each other
  • multiple ownership — ownership by several people or organizations
  • multiple sclerosis — a chronic degenerative, often episodic disease of the central nervous system marked by patchy destruction of the myelin that surrounds and insulates nerve fibers, usually appearing in young adulthood and manifested by one or more mild to severe neural and muscular impairments, as spastic weakness in one or more limbs, local sensory losses, bladder dysfunction, or visual disturbances.
  • neo-pythagoreanism — a philosophical system, established in Alexandria and Rome in the second century b.c., consisting mainly of revived Pythagorean doctrines with elements of Platonism and Stoicism.
  • nonpreferentialism — of, relating to, or of the nature of preference: preferential policies.
  • normally aspirated — A normally aspirated or naturally aspirated engine breathes air at atmospheric pressure.
  • operations manager — business director
  • optical microscope — traditional magnifying instrument
  • outer automorphism — an automorphism that is not an inner automorphism.
  • paleoclimatologist — the branch of paleogeography dealing with the study of paleoclimates.
  • parliamentarianism — advocacy of a parliamentary system of government.
  • particeps criminis — an accomplice in a crime.
  • pathname separator — (file system)   The character used to separate elements of a path or pathname. Under Unix and POSIX.1 compliant systems the pathname separator is the (forward) slash, in MS-DOS backslash serves the same purpose. For obvious reasons the no directory or file name can contain this character.
  • payment by results — a system of wage payment whereby all or part of the wage varies systematically according to the level of work performance of an employee
  • performance artist — an artist that is involved in a theatrical presentation that incorporates various art forms, such as dance, sculpture, music, etc
  • permanent hardness — hardness of water that cannot be removed by boiling as it results mainly from the presence of calcium and magnesium chlorides and sulphates
  • permanent resident — an immigrant who has been given official residential status, often prior to being granted citizenship
  • personal exemption — Your personal exemption is the amount of money that is deducted from your gross income before you have to start paying income tax.
  • photochemical smog — air pollution containing ozone and other reactive chemical compounds formed by the action of sunlight on nitrogen oxides and hydrocarbons, especially those in automobile exhaust.
  • photodecomposition — the breaking down of molecules by radiant energy.
  • photoisomerization — isomerization induced by light.
  • photomorphogenesis — plant development that is controlled by light.
  • physical chemistry — the branch of chemistry dealing with the relations between the physical properties of substances and their chemical composition and transformations.
  • pitt-rivers museum — a museum in Oxford that houses a major anthropological collection of tools and weapons assembled by Augustus Henry Lane Fox Pitt-Rivers
  • play cat and mouse — Also called cat and rat. a children's game in which players in a circle keep a player from moving into or out of the circle and permit a second player to move into or out of the circle to escape the pursuing first player.
  • plumber's merchant — a shop or business that sells things needed for the job of installing and repairing pipes, fixtures, etc, for water, drainage, and gas
  • policeman's helmet — a Himalayan balsaminaceous plant, Impatiens glandulifera, with large purplish-pink flowers, introduced into Britain
  • polystyrene cement — a purpose-made adhesive for fixing rigid polystyrene
  • post-impressionism — a varied development of Impressionism by a group of painters chiefly between 1880 and 1900 stressing formal structure, as with Cézanne and Seurat, or the expressive possibilities of form and color, as with Van Gogh and Gauguin.
  • postmaster general — the executive head of the postal system of a country.
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