15-letter words containing a, e, d, i
- livery cupboard — a cupboard with pierced doors, formerly used as a storage place for food.
- loaded question — a question containing a hidden trap or implication
- lofoten islands — group of Norwegian islands within the Arctic Circle, off the NW coast of Norway: c. 550 sq mi (1,424 sq km)
- logical address — virtual address
- long-tailed tit — a small European songbird, Aegithalos caudatus, with a black, white, and pink plumage and a very long tail: family Paridae (tits)
- lord lieutenant — British. the title of various high officials holding authority deputed from a sovereign.
- lord privy seal — a cabinet minister without portfolio.
- louis d'orleans — Louis Philippe Joseph [lwee fee-leep zhaw-zef] /lwi fiˈlip ʒɔˈzɛf/ (Show IPA), Duc (Philippe Égalité) 1747–93, French political leader.
- lower east side — a section in the borough of Manhattan, New York: noted for its immigrant culture.
- mackinac bridge — a suspension bridge over the Straits of Mackinac, connecting the Upper and Lower peninsulas of Michigan: one of the longest suspension bridges in the world. 3800-foot (1158-meter) center span; 7400 feet (2256 meters) in total length.
- macroprudential — Of or pertaining to systemic prudence, especially to the strengths and vulnerabilities of financial systems.
- mad cow disease — BSE: bovine spongiform encephalopathy
- madison heights — a city in SE Michigan: suburb of Detroit.
- magnesium oxide — magnesia.
- magnetic domain — a portion of a ferromagnetic material where the magnetic moments are aligned with one another because of interactions between molecules or atoms.
- magnetic needle — a slender magnetized steel rod that, when adjusted to swing in a horizontal plane, as in a compass, indicates the direction of the earth's magnetic fields or the approximate position of north and south.
- maid of orléans — Saint ("the Maid of Orléans") 1412?–31, French national heroine and martyr who raised the siege of Orléans.
- maidenhair fern — any fern of the cosmopolitan genus Adiantum, esp A. capillis-veneris, having delicate fan-shaped fronds with small pale-green leaflets: family Adiantaceae
- maidenhair tree — ginkgo.
- maidenhair-tree — ginkgo.
- maidenhair-vine — wire vine.
- mail order firm — a company that sells goods by mail order
- mailing address — postal or delivery address
- majority leader — the leader of the majority party in a legislative body, especially the party member who directs the activities of the majority party on the floor of either the Senate or the House of Representatives.
- make a big deal — If someone makes a big deal out of something, they make a fuss about it or treat it as if it were very important.
- maladaptiveness — The quality of being maladaptive.
- malappropriated — misused or mishandled
- man-made fabric — a type of fabric that is made artificially, such as polyester or rayon, rather than occurring naturally, like cotton or wool
- managing editor — an editor assigned to the supervision and coordination of certain editorial activities of a newspaper, magazine, book publishing company, or the like. Abbreviation: M.E., m.e.
- 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.
- marie byrd land — former name of Byrd Land.
- marie de france — flourished 12th century, French poet in England.
- 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