19-letter words containing a, m, e, l, i, o
- level of attainment — one of ten groupings, each with its own attainment criteria based on pupil age and ability, within which a pupil is assessed
- line of demarcation — a separation between things deemed to be distinct
- lobster-tail helmet — a burgonet fitted with a long, articulated tail of lames for protecting the nape of the neck, worn by cavalry in the 17th century.
- local area terminal — (protocol) (LAT) A DECnet-related, non-routable network protocol.
- logical unit number — (storage) (LUN) A 3-bit identifier used on a SCSI bus to distinguish between up to eight devices (logical units) with the same SCSI ID.
- long live/ long may — You use long live and long may in expressions such as 'long live the Queen' and 'long may it continue' to express your support for someone or something and your hope that they will live or last a long time.
- lord baltimore cake — a yellow layer cake, using only the yolks of eggs and having a fruit-nut filling consisting of pecans, almonds, maraschino cherries, and macaroon crumbs.
- loss-of-containment — Loss-of-containment happens when a fluid which is usually contained somewhere escapes from that place.
- lucia di lammermoor — an opera (1835) by Gaetano Donizetti, based on Sir Walter Scott's novel The Bride of Lammermoor.
- lymphoproliferation — (medicine) the excessive production of lymphocytes.
- lymphoproliferative — Characterized by lymphoproliferation.
- lyon office of arms — Heralds' Office.
- machine translation — changing language of a text by computer
- maestro di cappella — a person in charge of an orchestra, esp a private one attached to the palace of a prince in Italy during the baroque period
- magnetic levitation — the suspension of an object above or below a second object by means of magnetic repulsion or attraction.
- magnetic north pole — the point on Earth to where a compass needle points, and which is situated near the geographic North Pole. However, with time, the exact location can vary.
- malice aforethought — a predetermination to commit an unlawful act without just cause or provocation (applied chiefly to cases of first-degree murder).
- malicious falsehood — a lie told by someone who knows the lie is false or knows it will do harm to the person it is concerning
- malleable cast iron — white cast iron that has been malleablized.
- massive retaliation — a strategy of military counterattack that involves the use of nuclear weapons.
- maternity allowance — (in the British National Insurance scheme) a payment made to a pregnant woman who usually works but does not qualify for statutory maternity pay, normally from 11 weeks before confinement for a period of 18 weeks
- medical examination — physical examination
- melodic minor scale — minor scale (def 2).
- memory like a sieve — a very poor memory
- meningoencephalitic — Relating to meningoencephalitis.
- meningoencephalitis — Inflammation of the membranes of the brain and the adjoining cerebral tissue.
- mercurial barometer — mercury barometer.
- metropolitan county — (in England) any of the six conurbations established as administrative units in the new local government system in 1974; the metropolitan county councils were abolished in 1986
- metropolitanization — to make metropolitan.
- microelectronically — by microcircuits
- middle palaeolithic — the period between the Lower and the Upper Palaeolithic, usually taken as equivalent to the Mousterian
- midnight regulation — a rule or directive approved by the federal government near the end of a president’s term of office
- military government — a government in defeated territory administered by the military commander of a conquering nation.
- military pentathlon — an athletic contest comprising five different events, a 300-meter freestyle swim, a 4000-meter cross-country run, a 5000-meter equestrian steeplechase, épée fencing, and pistol target-shooting at 25 meters, the winner being the contestant with the highest total score.
- miracle of st. mark — a painting (1548) by Tintoretto.
- miscellaneous items — various kinds of thing, esp small purchases
- mohammed ali jinnah — Mohammed Ali ("Quaid-i-Azam") 1876–1948, Muslim leader in India: first governor general of Pakistan 1947–48.
- molar heat capacity — the heat capacity of one mole of a substance.
- molecular biologist — a specialist in the study of biological phenomena at the molecular level
- mordvinian republic — a constituent republic of W central Russia, in the middle Volga basin. Capital: Saransk. Pop: 888 700 (2002). Area: 26 200 sq km (10 110 sq miles)
- moses-in-the-cradle — a plant, Rhoeo spathacea, native to the West Indies and Central America, having leaves with purple undersides and white flowers enclosed in a boat-shaped envelope formed by two bracts.
- mother-in-law plant — a West Indian foliage plant, Dieffenbachia seguine, of the arum family, having yellow-blotched leaves that cause temporary speechlessness when chewed.
- mount desert island — an island off the coast of E central Maine: summer resort; forms part of Acadia National Park. 14 miles (23 km) long; 8 miles (13 km) wide.
- mousseline de laine — a thin worsted fabric, often having a printed pattern.
- mucopolysaccharides — Plural form of mucopolysaccharide.
- multidimensionality — The property of being multidimensional.
- multinomial theorem — an expression of a power of a sum in terms of powers of the addends, a generalization of the binomial theorem.
- multiplexor channel — (MPX) mainframe terminology for a slow peripheral device connection, e.g. for a printer, operator console, or card reader.
- mushroom ventilator — a ventilator having at the top of a vertical shaft a broad rounded cap that can be screwed down to close it.
- nail polish remover — solvent for removing nail polish