15-letter words containing d, i, s, m
- magnesium oxide — magnesia.
- maid of orléans — Saint ("the Maid of Orléans") 1412?–31, French national heroine and martyr who raised the siege of Orléans.
- mailing address — postal or delivery address
- maladaptiveness — The quality of being maladaptive.
- maldistribution — bad or unsatisfactory distribution, as of wealth, among a population or members of a group.
- 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.
- manganese oxide — a type of metallic oxide used to colour glass purple
- marburg disease — a viral disease producing a severe and often fatal illness with fever, rash, diarrhea, vomiting, and gastrointestinal bleeding, transmitted to humans through contact with infected green monkeys.
- marching orders — military orders, esp to infantry, giving instructions about a march, its destination, etc
- marek's disease — a contagious cancerous disease of poultry, caused by a herpesvirus and characterized by proliferation of lymphoid cells and paralysis of a limb or the neck.
- mariana islands — a group of 15 small islands in the Pacific, E of the Philippines: divided into Guam, a possession of the U.S., and the North Marianas, formally under U.S. trusteeship. 453 sq. mi. (1127 sq. km).
- mass production — the production or manufacture of goods in large quantities, especially by machinery.
- mass-producible — to produce or manufacture (goods) in large quantities, especially by machinery.
- massed practice — learning with no intervals or short intervals between successive bouts of learning
- master cylinder — the hydraulic pump of an automotive braking system that contains a cylinder and one or two pistons, is actuated by the brake pedal, and supplies hydraulic fluid under pressure to the brakes at each wheel.
- 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.
- mastoidectomies — Plural form of mastoidectomy.
- maternity dress — a dress worn by a pregnant woman and which is designed to allow for the changes in body size which take place during pregnancy
- 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.
- 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 student — trainee doctor
- medical studies — a course of study leading to qualification as a doctor of medicine
- 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.
- melville island — an island in the Arctic Ocean, N of Canada, belonging to Canada. 200 miles (320 km) long; 130 miles (210 km) wide.
- mental disorder — any of the various forms of psychosis or severe neurosis.
- mermaid's purse — the horny or leathery egg case of certain cartilaginous fishes, as skates.
- metamorphosised — Simple past tense and past participle of metamorphosise.
- microdiscectomy — (surgery) microdecompression.
- microdissection — dissection performed under a microscope.
- micrometeoroids — Plural form of micrometeoroid.
- mid-lent sunday — Laetare Sunday.
- middle distance — Also called middle ground, middle plane. Fine Arts. the represented space between the foreground and background in paintings, drawings, etc.
- middle palisade — a mountain of the Sierra Nevada in EC California, one of the Palisades Peaks in the Sierra Nevada 14,040 feet (4279 meters).
- middle-distance — Also called middle ground, middle plane. Fine Arts. the represented space between the foreground and background in paintings, drawings, etc.
- midgard serpent — a serpent, the child of Loki and Angerboda, who lies wrapped around the world, tail in mouth, and is destined to kill and to be killed by Thor at Ragnarok; Jormungand.
- midsummer's day — Midsummer's Day or Midsummer Day is the 24th of June.
- miles and miles — a long distance
- milk of almonds — almond milk.
- minidisc player — a device for playing minidiscs
- minkowski world — a four-dimensional space in which the fourth coordinate is time and in which a single event is represented as a point.
- mis-categorized — to arrange in categories or classes; classify.
- misapprehending — Present participle of misapprehend.
- misappropriated — to put to a wrong use.
- miscommunicated — Simple past tense and past participle of miscommunicate.
- miscomprehended — Simple past tense and past participle of miscomprehend.
- miscoordinating — of the same order or degree; equal in rank or importance.
- miscoordination — Lack of coordination.
- misdistribution — Incorrect or unfair distribution.
- misproportioned — Having incorrect or distorted proportions.