16-letter words containing u, y
- lucas van leyden — (Lucas Hugensz) 1494–1533, Dutch painter and engraver.
- luminosity class — a classification of stars of a given spectral type according to their luminosity, breaking them down into dwarfs, giants, and supergiants.
- lump sum payment — money: one-off payment
- lymphatic tissue — tissue, such as the lymph nodes, tonsils, spleen, and thymus, that produces lymphocytes
- madame butterfly — an opera (1904) by Giacomo Puccini.
- make the fur fly — the fine, soft, thick, hairy coat of the skin of a mammal.
- malchus-porphyry — (Malchus) a.d. c233–c304, Greek philosopher.
- managed currency — a currency whose value is established and maintained by deliberate governmental action working through national and international financial institutions, in contrast to the quasi-automatic gold standard.
- many-plumed moth — a moth of the species, Alucita hexadactyla
- marginal utility — the extra utility or satisfaction derived by a consumer from the consumption of the last unit of a commodity.
- mauchly, john w. — John Mauchly
- maximilien sully — Maximilien de Béthune [mak-see-mee-lyan duh bey-tyn] /mak si miˈlyɛ̃ də beɪˈtün/ (Show IPA), Duc de, 1560–1641, French statesman.
- maximum-security — designed for or housing prisoners regarded as being very dangerous to society.
- measured daywork — a system of wage payment, usually determined by work-study techniques, whereby the wage of an employee is fixed on the understanding that a specific level of work performance will be maintained
- medium artillery — guns and howitzers of more than 105mm and less than 155mm caliber, sometimes including the 155mm howitzers. Compare heavy artillery (def 2), light artillery (def 2).
- medium frequency — any frequency between 300 and 3000 kilohertz. Abbreviation: MF.
- medullary sheath — Botany. a narrow zone made up of the innermost layer of woody tissue immediately surrounding the pith in plants.
- mercury autocode — Autocode for the Ferranti Mercury machine.
- mercury chloride — mercuric chloride
- mesembryanthemum — any of various chiefly Old World plants of the genus Mesembryanthemum, having thick, fleshy leaves and often showy flowers.
- methyl cellulose — a grayish-white powder prepared from cellulose that swells to a highly viscous colloidal solution in water: used as a food additive and in water paints, leather tanning, and cosmetics.
- methylthioninium — (organic chemistry, especially in combination) The heterocyclic cation 3,7-bis(dimethylamino)-phenothiazin-5-ium, that is the basis of methylene blue.
- mexican fruitfly — a brightly colored fly, Anastrepha ludens, whose larvae are a serious pest chiefly of citrus fruits and mangoes in Mexico, Central America, and southern Texas.
- migratory locust — any of several locusts that migrate in great swarms, especially Locusta migratoria, of Africa and Asia.
- military honours — ceremonies performed by troops in honour of royalty, at the burial of an officer, etc
- minimum-security — (of a prison) designed for prisoners regarded as being less dangerous; having fewer restrictions.
- minute secretary — the person responsible for noting the minutes of a meeting
- mobility housing — houses designed or adapted for people who have difficulty in walking but are not necessarily chairbound
- money laundering — Money laundering is the crime of processing stolen money through a legitimate business or sending it abroad to a foreign bank, to hide the fact that the money was illegally obtained.
- money of account — a monetary denomination used in reckoning, especially one not issued as a coin, as the U.S. mill.
- monocotyledonous — belonging or pertaining to the monocotyledons.
- montagu's blenny — a small blenny, Coryphoblennius galerita, found among rocks in shallow water
- month of sundays — a long time
- mothering sunday — Laetare Sunday.
- mount erymanthus — a mountain in SW Greece, in the NW Peloponnese. Height: 2224 m (7297 ft)
- muddy the waters — If someone or something muddies the waters, they cause a situation or issue to seem less clear and less easy to understand.
- mulberry harbour — either of two prefabricated floating harbours towed across the English Channel to the French coast for the Allied invasion of Normandy in 1944
- multi-way branch — switch statement
- multicellularity — The condition of being multicellular.
- multiple myeloma — a malignant plasma cell tumor of the bone marrow that destroys bone tissue.
- multiplicatively — tending to multiply or increase.
- multiuser system — a computer system in which multiple terminals connect to a host computer that handles processing tasks.
- myelosuppression — (medicine) A reduction of bone marrow activity that leads to a lower concentration of platelets, red blood cells and white blood cells.
- natural immunity — immunity that is present without prior immunization.
- natural monopoly — the situation when, due to the economies of scale of a particular industry, the maximum efficiency of production and distribution is realized through a single supplier
- natural theology — theology based on knowledge of the natural world and on human reason, apart from revelation.
- naturalistically — imitating nature or the usual natural surroundings.
- neurasthenically — In a neurasthenic way.
- neuroarthropathy — (medicine) Any disease of a joint that is associated with a disease of the nervous system.
- neurohypophyseal — Relating to the neurohypophysis.