15-letter words containing o, n, a, s, i
- louisiana heron — tricolored heron.
- loyalty islands — a group of coral islands in the S Pacific belonging to the French territory of New Caledonia. 761 sq. mi. (1970 sq. km).
- macaroni cheese — Macaroni cheese is a dish made from macaroni and cheese sauce.
- macrosporangium — megasporangium.
- madison heights — a city in SE Michigan: suburb of Detroit.
- magnanimousness — The quality of being magnanimous.
- magnesioferrite — (mineralogy) A magnesium iron oxide mineral, a member of the magnetite series of spinels, which forms black metallic octahedral crystals.
- magnesium oxide — magnesia.
- 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.
- main royal mast — the part of the mainmast situated immediately above, and generally formed as a single spar with, the main topgallantmast.
- majoritarianism — rule by a majority, especially the belief that those constituting a simple majority should make the rules for all members of a group, nation, etc.
- make no mistake — believe me, let me assure you
- malassimilation — imperfect incorporation of nutrients into body tissue.
- maldistribution — bad or unsatisfactory distribution, as of wealth, among a population or members of a group.
- malpresentation — Abnormal positioning of a fetus at the time of delivery.
- man of his word — a unit of language, consisting of one or more spoken sounds or their written representation, that functions as a principal carrier of meaning. Words are composed of one or more morphemes and are either the smallest units susceptible of independent use or consist of two or three such units combined under certain linking conditions, as with the loss of primary accent that distinguishes black·bird· from black· bird·. Words are usually separated by spaces in writing, and are distinguished phonologically, as by accent, in many languages.
- man-of-war fish — a small, tropical fish, Nomeus gronovii, that lives among the tentacles of the Portuguese man-of-war.
- manganese oxide — a type of metallic oxide used to colour glass purple
- mannheim school — a group of musicians of the mid-18th century in Mannheim, Germany, notable for developing a style of orchestral composition and performance directly antecedent to and influential on the classical style of Haydn and Mozart.
- manorial system — manorialism.
- marching orders — military orders, esp to infantry, giving instructions about a march, its destination, etc
- marcus antonius — Mark (Marcus Antonius) 83?–30 b.c, Roman general: friend of Caesar; member of the second triumvirate and rival of Octavian.
- marginalisation — (British) alternative spelling of marginalization.
- marine surveyor — a person who carries out surveys of ships to determine seaworthiness, etc
- masculinization — Medicine/Medical. to produce certain male secondary sex characteristics in (a female).
- mass production — the production or manufacture of goods in large quantities, especially by machinery.
- 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.
- mediastinoscopy — (medicine) A procedure for examining the inside of the mediastinum and the organs it encloses through a small incision, using an endoscope. This is a surgical procedure normally done under general anesthesia.
- 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.
- mental hospital — psychiatric institution
- mephistophelean — Medieval Demonology. one of the seven chief devils and the tempter of Faust.
- mephistophelian — Medieval Demonology. one of the seven chief devils and the tempter of Faust.
- 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.
- 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.".
- microsporangium — a sporangium containing microspores.
- milk of almonds — almond milk.
- millionairesses — Plural form of millionairess.
- miniaturisation — Alternative spelling of miniaturization.
- mis-informative — to give false or misleading information to.
- misappreciation — failure to appreciate something fully or properly
- misapprehension — misunderstanding.
- misarticulation — an act or the process of articulating: the articulation of a form; the articulation of a new thought.
- miscalculations — Plural form of miscalculation.
- miscegenational — of or relating to miscegenation
- miscellaneously — In a miscellaneous manner.