15-letter words containing a, e, r, o, s, i
- magnetic course — a course whose bearing is given relative to the magnetic meridian of the area.
- maid of orléans — Saint ("the Maid of Orléans") 1412?–31, French national heroine and martyr who raised the siege of Orléans.
- make a horlicks — to make a mistake or a mess
- male prostitute — man who has sex for money
- malpresentation — Abnormal positioning of a fetus at the time of delivery.
- manorial system — manorialism.
- marching orders — military orders, esp to infantry, giving instructions about a march, its destination, etc
- margaritiferous — yielding or wearing pearls
- marine surveyor — a person who carries out surveys of ships to determine seaworthiness, etc
- marsupial mouse — any of various mouse-sized to rat-sized marsupials of the family Dasyuridae, occurring in Australia, New Guinea, and Tasmania: some species are rare or endangered.
- mass-producible — to produce or manufacture (goods) in large quantities, especially by machinery.
- mastoid process — a large, bony prominence on the base of the skull behind the ear, containing air spaces that connect with the middle ear cavity.
- materialisation — Alternative spelling of materialization.
- mean solar time — time measured by the hour angle of the mean sun.
- measuring spoon — a spoon for measuring amounts, as in cooking, usually part of a set of spoons of different sizes.
- mechanomorphism — the doctrine that the universe is fully explicable in mechanistic terms.
- medical history — the past background of a person in terms of health
- medical records — written information about a person's health during their life to date
- medical tourism — tourist travel for the purpose of receiving medical treatment or improving health or fitness: The spiraling cost of healthcare has contributed to the growth of medical tourism. Also called health tourism.
- menispermaceous — of, relating to, or belonging to the Menispermaceae, a family of mainly tropical and subtropical plants, most of which are woody climbers with small flowers
- mental disorder — any of the various forms of psychosis or severe neurosis.
- messier catalog — a catalog of nonstellar objects compiled by Charles Messier in 1784 and later slightly extended, now known to contain nebulae, galaxies, and star clusters.
- metamorphosised — Simple past tense and past participle of metamorphosise.
- metamorphosizes — Third-person singular simple present indicative form of metamorphosize.
- metropolitanism — of, noting, or characteristic of a metropolis or its inhabitants, especially in culture, sophistication, or in accepting and combining a wide variety of people, ideas, etc.
- microaerophiles — Plural form of microaerophile.
- microaggression — a subtle but offensive comment or action directed at a minority or other nondominant group that is often unintentional or unconsciously reinforces a stereotype: microaggressions such as "I don't see you as black.".
- micrometastases — Plural form of micrometastasis.
- micrometastasis — The microscopic level action of metastasis, the spread of disease from the primary site to other areas.
- millionairesses — Plural form of millionairess.
- mis-categorized — to arrange in categories or classes; classify.
- mis-informative — to give false or misleading information to.
- misappreciation — failure to appreciate something fully or properly
- misapprehension — misunderstanding.
- misappropriated — to put to a wrong use.
- misappropriates — Third-person singular simple present indicative form of misappropriate.
- 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.
- 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
- motor insurance — insurance for a motor vehicle such as a car, which provides protection against loss in the event of an accident, theft, etc
- mountain rescue — search and rescue conducted on a mountain, for example of someone who has fallen, got lost, etc
- 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.
- 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.