15-letter words containing a, o, r, i, s
- miscoordination — Lack of coordination.
- misregistration — the act of registering.
- mitral stenosis — abnormal narrowing of the mitral valve usually resulting from disease, as rheumatic fever, and obstructing the free flow of blood from the atrium to the ventricle.
- moccasin flower — the lady's-slipper.
- mogi das cruzes — a city in SE Brazil, E of São Paulo.
- molecular sieve — a compound with molecule-size pores, as some sodium aluminum silicates, that chemically locks molecules in them: used in purification and separation processes.
- monoculturalism — The practice of actively preserving a culture to the exclusion of external influences.
- monosaccharides — Plural form of monosaccharide.
- montes riphaeus — a mountain range in the third quadrant of the visible face of the moon.
- morale-boosting — A morale-boosting action or event makes people feel more confident and cheerful.
- morning prayers — early-morning act of religious worship
- morphosyntactic — involving both morphology and syntax.
- motor insurance — insurance for a motor vehicle such as a car, which provides protection against loss in the event of an accident, theft, etc
- mount suribachi — a volcanic hill in the Volcano Islands, on Iwo Jima: site of a US victory (1945) over the Japanese in World War II
- mountain rescue — search and rescue conducted on a mountain, for example of someone who has fallen, got lost, etc
- moving stairway — escalator (def 1).
- mules operation — the surgical removal of folds of skin in the breech of a sheep to reduce blowfly strike
- multiflora rose — a climbing or trailing rose, Rosa multiflora, of Japan and Korea, having hooked prickles and fragrant, dense clusters of flowers.
- myofibroblastic — Relating to myofibroblasts.
- name resolution — (networking) The process of mapping a name into its corresponding address. The Domain Name System is the system which does name resolution on the Internet.
- nanocrystalline — Of, pertaining to, or composed of nanocrystals.
- napoleonic wars — French-led war in early 19th century
- narcotics agent — an undercover agent who provides information to the police about illegal drugs, illegal drug trafficking, and users of illegal drugs
- narcotics squad — a department of the police which investigates crimes concerning illegal drugs
- nasopharyngitis — (medicine) An inflammation of the nasal passages, and of the upper pharynx.
- national forest — forested land owned, maintained, and preserved by the U.S. government.
- natural history — the sciences, as botany, mineralogy, or zoology, dealing with the study of all objects in nature: used especially in reference to the beginnings of these sciences in former times.
- necrobacillosis — any disease of cattle, horses, sheep, and swine marked by necrotic areas in which a bacillus, Fusobacterium necrophorum, is found.
- negro spiritual — a type of religious song originating among Black slaves in the American South
- neighbor states — the states or countries next to another state or country
- neo-lutheranism — a movement begun in the 19th century in Germany and Scandinavia to revive the orthodox principles, beliefs, and practices of the Lutheran Church.
- neoarsphenamine — a derivative of arsenic formerly used in treating syphilis
- neoconservatism — moderate political conservatism espoused or advocated by former liberals or socialists.
- neoconservative — moderate political conservatism espoused or advocated by former liberals or socialists.
- neomercantilism — an economic doctrine or policy during the early 20th century that set high tariffs and other import restrictions in order to protect domestic industries.
- nephrolithiasis — (pathology) presence of calculi in kidneys.
- net.personality — Someone who has made a name for him or herself on Usenet, through either longevity or attention-getting posts, but doesn't meet the other requirements of net.godhood.
- neurodermatitis — W Lichen simplex chronicus, a skin disorder characterized by chronic itching and scratching, resulting in thick, leathery, brownish skin.
- neuroplasticity — the capacity of the nervous system to develop new neuronal connections: research on neuroplasticity of the brain after injury.
- neuropsychiatry — the branch of medicine dealing with diseases involving the mind and nervous system.
- nicholas ridley — Nicholas, c1500–55, English bishop, reformer, and martyr.
- nicobar islands — a group of 19 islands in the Indian Ocean, south of the Andaman Islands, with which they form a territory of India. Area: 1645 sq km (635 sq miles)
- noise generator — a device used in synthesizers to produce high-frequency sound effects
- non-adversarial — a person, group, or force that opposes or attacks; opponent; enemy; foe.
- non-carnivorous — flesh-eating: A dog is a carnivorous animal.
- non-charismatic — of, having, or characteristic of charisma.
- non-contrastive — not contrastive.
- non-crystalline — of or like crystal; clear; transparent.
- non-disparaging — that disparages; tending to belittle or bring reproach upon: a disparaging remark.
- non-ministerial — pertaining to the ministry of religion, or to a minister or other member of the clergy.