12-letter words containing i, m, u
- juste milieu — a point between two extremes; the golden mean.
- juste-milieu — a point between two extremes; the golden mean.
- justicialism — the political doctrine of Juan Domingo Perón, formerly President of Argentina
- kigoma-ujiji — a city composed of two merged towns in W Tanzania, on Lake Tanganyika: Stanley found Livingstone in Ujiji 1871.
- kim dae jung — 1925–2009, president of South Korea 1998–2003.
- kurchatovium — (chemistry) A rejected name for rutherfordium.
- lactalbumins — Plural form of lactalbumin.
- languishment — the act or state of languishing.
- laue diagram — a diffraction pattern used to study crystal structure, consisting of symmetrically arranged spots obtained when a beam of x-rays, electrons, or neutrons is passed through a thin crystal and exposes a photographic plate.
- lean mixture — A lean mixture is a fuel/air mixture containing a relatively low proportion of fuel.
- leisure home — a house for use on weekends, vacations, or the like.
- leisure time — free time
- leontopodium — any plant of the Eurasian alpine genus Leontopodium, esp L. alpinum
- leprosariums — Plural form of leprosarium.
- liberum veto — a veto exercised by a single member of a legislative body whose rules require unanimity.
- lignum vitae — either of two tropical American trees, Guaiacum officinale or G. sanctum, of the caltrop family, having very hard, heavy wood.
- limnophilous — (of animals) living in lakes or freshwater marshes
- liquidambars — Plural form of liquidambar.
- lithium lick — NeXT employees who have had too much attention from their esteemed founder, Steve Jobs, are said to have "lithium lick" when they begin to show signs of Jobsian fervour and repeat the most recent catch phrases in normal conversation, e.g. "It just works, right out of the box!"
- lithospermum — any annual or perennial herbs and small shrubs of the genus lithospermum, of the borage family, native to Europe, N America, and northern Asia, and having white, blue, or yellow flowers
- litmus paper — a strip of paper impregnated with litmus, used as a chemical indicator.
- lounge music — a type of popular music often including jazz, swing, and pop elements and played in cocktail lounges, piano bars, etc.
- lumber river — a river in S central North Carolina and NE South Carolina, flowing SE and S to the Little Pee Dee River. 125 miles (201 km) long.
- lumbriciform — resembling a lumbricus; wormlike
- luminescence — the emission of light not caused by incandescence and occurring at a temperature below that of incandescent bodies.
- luminiferous — producing light: the luminiferous properties of a gas.
- luminosities — Plural form of luminosity.
- luminousness — The condition of being luminous.
- lumpectomies — Plural form of lumpectomy.
- machu picchu — the site of an ancient Incan and pre-Incan city, about 7000 feet (2130 meters) above sea level in the Andes, in S central Peru.
- magic bullet — something that cures or remedies without causing harmful side effects: So far there is no magic bullet for economic woes.
- magic number — the atomic number or neutron number of an exceptionally stable nuclide.
- magic square — a square containing integers arranged in an equal number of rows and columns so that the sum of the integers in any row, column, or diagonal is the same.
- magniloquent — speaking or expressed in a lofty or grandiose style; pompous; bombastic; boastful.
- magnus hitch — a knot similar to a clove hitch but taking one more turn around the object to which the line is being bent; rolling hitch.
- mailing tube — an elongated cylinder of cardboard, used for mailing rolled-up papers, magazines, etc.
- mains supply — electricity, water, or gas supplied to a building through wires or pipes
- make-up girl — a woman or girl who applies cosmetics to a person, such as to a model or actor
- maladjustive — Exhibiting or relating to maladjustment.
- malfunctions — Plural form of malfunction.
- malibu board — a lightweight, fiberglass-covered surfboard, usually about 10 feet (3 meters) long with a rounded nose and tail and a convex bottom for increased maneuverability.
- malnourished — poorly or improperly nourished; suffering from malnutrition: thin, malnourished victims of the famine.
- malnutrition — lack of proper nutrition; inadequate or unbalanced nutrition.
- malocclusion — faulty occlusion; irregular contact of opposing teeth in the upper and lower jaws.
- man-mountain — a man who is very tall and heavily built
- mandibulated — Provided with mandibles adapted for biting; mandibulate.
- maneuverings — Plural form of maneuvering.
- manicure set — a set of small tools designed for trimming and caring for the nails
- manipulating — Present participle of manipulate.
- manipulation — the act of manipulating.