18-letter words containing s, t, o, m, u
- modulus of torsion — a coefficient of elasticity of a substance, expressing the ratio between the force per unit area (shearing stress) that laterally deforms the substance and the shear (shearing strain) that is produced by this force.
- molecular genetics — a subdivision of genetics concerned with the structure and function of genes at the molecular level.
- molecular spectrum — the spectrum of light emitted or absorbed by a species of molecule.
- mortgage insurance — policy to compensate for property loan payments
- mosquito repellent — a chemical substance, such as a spray or lotion, applied to the body to prevent mosquitoes biting
- mount saint helens — a city in Merseyside, in NW England, near Liverpool.
- multi-user dungeon — Multi-User Dimension
- 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.
- 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.
- muscular dystrophy — a hereditary disease characterized by gradual wasting of the muscles with replacement by scar tissue and fat, sometimes also affecting the heart.
- music to your ears — If something that you hear is music to your ears, it makes you feel very happy.
- mutual aid society — A mutual aid society is an organization that provides benefits or other help to its members when they are affected by things such as death, sickness, disability, old age, or unemployment.
- national guardsman — guardsman (def 2).
- neutrino astronomy — the branch of astronomy dealing with the detection and measurement of neutrinos emitted by the sun and other celestial objects.
- nocturnal emission — the release of semen during sleep, often during a sexual dream.
- non-circumstantial — of pertaining to, or derived from circumstances: a circumstantial result.
- non-fundamentalist — (sometimes initial capital letter) a religious movement characterized by a strict belief in the literal interpretation of religious texts, especially within American Protestantism and Islam.
- nonstriated muscle — smooth muscle
- oil of catechumens — holy oil used in baptism, the ordination of a cleric, the coronation of a sovereign, or in the consecration of a church.
- outer automorphism — an automorphism that is not an inner automorphism.
- passing modulation — a modulation of a temporary nature.
- pigmy hippopotamus — a related but smaller animal, Choeropsis liberiensis
- 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.
- potassium chlorate — a white or colorless, crystalline, water-soluble, poisonous solid, KClO 3 , used chiefly as an oxidizing agent in the manufacture of explosives, fireworks, matches, bleaches, and disinfectants.
- potassium chloride — a white or colorless, crystalline, water-soluble solid, KCl, used chiefly in the manufacture of fertilizers and mineral water, and as a source of other potassium compounds.
- potassium fluoride — a white, crystalline, hygroscopic, toxic powder, KF, used chiefly as an insecticide, a disinfectant, and in etching glass.
- potassium myronate — sinigrin.
- potassium sulphate — a soluble substance usually obtained as colourless crystals of the decahydrate: used in making glass and as a fertilizer. Formula: K2SO4
- precious moonstone — moonstone (def 1).
- presumption of law — a presumption based upon a policy of law or a general rule and not upon the facts or evidence in an individual case.
- programme of study — the prescribed syllabus that pupils must be taught at each key stage in the National Curriculum
- prometheus unbound — a drama in verse (1820) by Shelley.
- pseudo-competitive — of, pertaining to, involving, or decided by competition: competitive sports; a competitive examination.
- pseudo-symptomatic — pertaining to a symptom or symptoms.
- pulmonic airstream — a current of lung air set in motion by the respiratory muscles in the production of speech.
- put the mockers on — stop, thwart
- pygmy hippopotamus — a small hippopotamus, Choeropsis liberiensis, of forests and swamps in western Africa.
- resuscitation room — an intensive care unit
- san juan mountains — a mountain range in SW Colorado and N New Mexico: part of the Rocky Mountains. Highest peak: Uncompahgre Peak, 4363 m (14 314 ft)
- saturation bombing — intense area bombing intended to destroy everything in the target area.
- second triumvirate — the coalition and joint rule of the Roman Empire by Antony, Lepidus, and Octavian, begun in 43 bc
- semiprecious stone — See at semiprecious.
- shipping documents — documents relating to the sending of a shipment of goods, for example containing details of contents, weight, value etc.
- shotgun microphone — a directional microphone with a narrow-angle range of sensitivity.
- simple enumeration — a procedure for arriving at empirical generalizations by haphazard accumulation of positive instances.
- ski-mountaineering — a combination of the sports of skiing and mountaineering, for example by climbing up a mountain then skiing down it
- small claims court — a special court established to handle small claims or debts, usually without the services of lawyers.
- small outline dimm — (storage) (SO-DIMM) A smaller kind of DIMM with 72 pins (supporting 32-bit transfers) or 144 pins (64-bit transfers). Regular DIMMs have 168 pins and support 64-bit transfers. Being roughly half the size of the regular DIMM, SO-DIMMs are often used in notebook computers.