15-letter words containing d, i, a, m
- mandarin orange — mandarin (def 4).
- 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.
- maria de medici — Marie de Médicis.
- 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).
- marie byrd land — former name of Byrd Land.
- marie de france — flourished 12th century, French poet in England.
- marigold window — wheel window.
- 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
- matrix bar code — a type of 2D bar code that stores data in a matrix of geometrically shaped dark and light cells that represent bits. See also QR code.
- medal for merit — a medal awarded by the U.S. to a civilian for distinguished service to the country: discontinued after World War II.
- media converter — (networking) A component used in Ethernet, although it is not part of the IEEE standard. The IEEE standard states that all segments must be linked with repeaters. Media converters were developed as a simpler, cheaper alternative to repeaters. However, in the 1990s the cost difference between the two is negligible.
- 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 officer — a doctor of medicine who serves in the armed forces in a medical capacity
- 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.
- medicinal leech — a bloodsucking leech, Hirudo medicinalis, of Europe, introduced into the northeastern U.S., usually green with brown stripes, up to 4 inches (10 cm) long: once used by physicians to bleed patients.
- medieval breton — the Breton language of the Middle Ages, usually dated from the 12th to the mid-17th centuries.
- medieval hebrew — the Hebrew language as used from the 6th to the 13th centuries a.d.
- meibomian gland — any of the small sebaceous glands in the eyelid, beneath the conjunctiva
- melamine-coated — covered with an outer layer of melamine
- 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.
- mental handicap — learning disability
- meridian circle — a transit instrument provided with a graduated vertical scale, used to measure the declinations of heavenly bodies and to determine the time of meridian transits.
- mermaid's purse — the horny or leathery egg case of certain cartilaginous fishes, as skates.
- metamorphosised — Simple past tense and past participle of metamorphosise.
- methylphenidate — a central nervous system stimulant, C 1 4 H 1 9 NO 2 , used in the control of hyperkinetic syndromes and narcolepsy.
- michael faraday — Michael, 1791–1867, English physicist and chemist: discoverer of electromagnetic induction.
- micromicrofarad — picofarad. Symbol: μμF.
- microradiograph — an enlarged version of an image obtained by a form of radiography that reveals minute details
- mid-heavyweight — a professional wrestler weighing 199–209 pounds (91–95 kg)
- mid-lent sunday — Laetare Sunday.
- mid-ocean ridge — any of several seismically active submarine mountain ranges that extend through the Atlantic, Indian, and South Pacific oceans: each is hypothesized to be the locus of seafloor spreading.
- middelmannetjie — (South Africa) Ridge between ruts made by wheels in a dirt or gravel road.
- middle american — average middle-class Americans as a group, as distinguished from the rich or poor or the politically extreme.
- 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.